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a cbs news investigation on the peace corps shows nearly 20% of volunteers experienced some type of sexual assault. more than half of those say they suffered repeat attacks. what's more, many who came forward say they suffered retaliation from their bosses. kris van cleave reports. >> reporter: nearly 7,000 peace corps volunteers are currently serving in about 65 countries, and according to a recent anonymous peace corps safety questionnaire obtained by cbs news, roughly 1 in 5 volunteers reported being sexually assaulted during their service. the report also shows nearly

one volunteer wrote, "in reporting an assault i made myself a target." >> my thought was they're going to rape me, these men are -- these men are going to try to rape me. >> reporter: 23-year-old peace corps volunteer denay smith had been in the remote dominican republic town of los mesquiteos for eight months when in april two men with machetes forced her off this, the vimmage's main road. smith fought them off and reported the assault to the peace corps. within a week the agency told her she was going home. >> and they also told me that my attack had occurred because i had been walking in my sight and as a volunteer it was my job to be more proactive to prevent it from happening. >> reporter: more than 500 volunteers have reported experiencing a sexual assault in a little over two years. we spoke with nearly a dozen who questioned how their recent cases were handled. they told us they felt criticized and were threatened they would be fired. five years ago the peace corps,

intense scrutiny over its response to sexual assaults. congress passed a law, and the agency's then director vowed change. >> i hired a nationally recognized leader in victims' rights to be our first agency's victim's advocate. >> reporter: that leader was kelly green. >> i'm getting phone calls and i'm getting e fails from returned volunteers that are in tears because they can't get the help that they need. >> reporter: cbs news found some peace corps employees attempting to limit the number of in-country counseling sessions for sexual assault survivors to a maximum of 6. in this 2014 e-mail a peace corps clinical psychologist said of a volunteer, "the need for ongoing therapy is an indication the volunteer was not a good fit for peace corps service." after another volunteer asked for additional counseling a peace corps medical officer sent this e-mail saying, "i'm sure this will make no difference in her behavior." >> i pushed the agency to really

of doing, and that's what's so frustrating because they have the ability to do this and it is a choice not to. >> reporter: earlier this month the peace corps suspended her without pay for allegedly creating a hostile work environment. but green says she was punished for standing up for the victims she was hired to protect. bonnie scott was a peace corps volunteer in albania. earlier this year she says she alerted the peace corps one of its american officials was allegedly sexually assaulting albanian women. >> he was given the option to resign rather than face misconduct charges, which meant that everything would be covered up. >> reporter: shortly after the official sent this e-mail saying he was resigning for personal reasons. the peace corps fired scott for improperly filling out paperwork. >> they basically kicked me out ten days after they let -- >> reporter: inspector general reports show multiple cases of

sexual assaults resigning ahead of administrative action and then being allowed to reapply to the agency. a 2014 i.g. report warned the peace corps screening process for rehiring was not detecting past misconduct. one volunteer who admitted to violating the agency's sexual assault policy was later hired to work at the agency's headquarters in washington, d.c. >> that person's no longer employed by peace corps but i will also say that we are putting in place systems, mechanisms, to make sure that doesn't happen again in the future. >> person after person paints this picture of at least some percentage of the time there is what appears to be blaming or retaliatory responses to people who've just suffered a trauma. >> this is unacceptable to us, and we are trying to change the culture. our best indicator of volunteer satisfaction with our services is our sexual assault response quality survey. and 96% have said that they're satisfied with their service.

survey was sent to 183 people. just 52 responded. >> we have made enormous progress but it is a huge task and every single day we're providing better care. >> reporter: but denay smith feels only disappointment. >> i feel like peace corps failed me every step of the way. it has instituted more than 30 reforms regarding sexual assault and works to retrain employees who appear unsympathetic to survivors. kelly green, the peace corps victim advocate that's been suspended by the agency, is pursuing whistleblower protection but the peace corps disputes any claims it retaliated against her. the death toll continues to rise after holiday weekend storms socked the midwest and plain states. police in fort worth, texas recovered a car that had been swept away by flood waters. there was a body inside that hasn't been identified. rachel calderone in yukon, oklahoma where many residents are still without power. >> reporter: just as hundreds of linemen are out here still

yukon, oklahoma and to move the trees and open up these roads, a 4.5 magnitude earthquake struck early this morning obviously complicating matters for those crews working to restore power to some 60,000 people. massive sheets of ice created close calls across the south as a deadly winter storm froze over trees. cars. and knocked out power for thousands. >> you know, all night we could hear limbs cracking and the ice falling and we just didn't know what to expect. >> reporter: for three days the relentless ice storm dumped freezing rain on oklahoma, causing extensive damage. >> oh, it's coming down. >> reporter: more than 71,000 homes and businesses were without power. oklahoma's governor declared a state of emergency in all 77

days, every time it crackles it means something else is coming down. >> reporter: there were extreme conditions in hutchinson, kansas. at least six people have died in that state. the violent winter storm smashed out car windows, split trees in two, and knocked down power lines. the line of severe weather also caused flooding in texas, where more than 38 people were rescued since thanksgiving. in amarillo two people were injured after this semi truck slammed into a restaurant. weather has been blamed for another eight deaths in that state. the earliest estimate for power to be restored is on tuesday. and because of this dozens of schools are still closed at this time.

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meta is clinically proven to help lower cholesterol. try meta today. and for a tasty heart healthy snack, try a meta health bar. an international conference in washington today will focus on a revolutionary technology that can edit genetic mistakes. it's called crisper, and it could rid the world of cystic fibrosis fibrosis, muscular dystrophy, and even hiv and cancer. norah o'donnell spoke with one of the pioneers. >> what is crisper? >> first of all, it's an acronym acronym. clustered regularly interspaced short pallin droemic repeats a huge mouthful. you can see why we use the acronym crisper wp.

what's crisper again? >> reporter: she gets asked that question a lot. a researcher and professor at uc berkeley she's become a spokesperson for a gene editing technology she's credited with developing. that mouthful known as crisper. >> i've heard it compared to essentially a film editor slicing a bit of film. >> i would say that's a great analogy analogy, yeah. >> how does that work? >> you think about a film strip and you see a particular segment of the film you that want to replace and if you had a film splicer you'd go in and literally cut it out and piece it back together. maybe with a new clip. imagine being able to do that in the genetic code, the code of life. you could go in and snip out a piece and replace it with something that corrects a mutation that would cause disease. >> that's incredible. >> it's incredible. >> reporter: crisper has generated immense excitement because it's fast, cheap, and

with great precision. it used to take months or years to alter a single gene. now that can be done in a matter of days. >> could it end cancer? >> what i'm excited about there is the potential to use the crisper technology to program a patient's immune system to recognize tumor cells in a precise way. >> could it cure at some point virtually any disease? >> i don't know about any disease, but i think any disease that has a genetic basis. is something that could be technology. >> reporter: and imagine, dowdna says we could expect to see clinical applications of crisper in the next few years. but alongside crisper's promise come fears of its perils like to designer babies. technology? >> one of them is of course making changes to human embryos

so we're talk about something that would affect human evolution. >> you could have an instance where a lab is creating lots of human embryos just for the sake of experimenting on them. >> if you're asking me could that be done technically the answer is it could. could it be done with current regulations in place? certainly not in the u.s. >> or europe. >> or europe, right. >> there's still a lot of other countries other than the u.s. -- >> well, science is global and there are different cultural viewpoints on that kind of application. >> reporter: in april chinese scientists reported using crispr to edit the disease genomes of human emborrows human embryos for the first time pn't experiment was a failure but it sparked concerns worldwide. >> i and my colleagues have called for a global pause.

vocal about the need to set ethical boundaries and is convening an international summit in washington, d.c. >> what do you hope comes out of that? >> i think it would be great if we can at least get on the table the key issues. it's hard to imagine that there would be a con sensus by all of the parties at the table about how to proceed but i think the first step is to have that conversation. >> emanuel charpontdnier and jennifer dowdna. >> reporter: the high stakes associated with crispr have catapulted her into a rare stratum of scientific celebrities. last year she and her research partner received the $3 million breakthrough prize in life sciences, which seems to be only the beginning. >> your name has been floated repeatedly for the winner of the nobel prize in science. >> i'm just incredibly honored and shocked to see that. it. >> why you surprise when'd

most influential -- >> i was completely surprised. that came out of the blue. >> that's a pretty heady group. you're in with charlie rose and pope francis. >> yeah, i know. pretty interesting. it was a fun party. the cbs overnight news will be right back.have performed 9,421 and a half prostate exams. so why do i do it? because i get paid. und... on this side of the glove i know prostate exams can save lives. so, if you are a man over 50, talk to you doctor to see if a prostate exam is right for you. if we can do it, so can you.

say it ain't so. basketball legend kobe bryant says he'll be hanging up his sneakers this season, retiring after 20 years on the hardwood. bryant has won five nba championships. he's been an all-star 17 times and is the third leading scorer in nba history. jeff glor has a look back at his brilliant career. >> reporter: bryant posted a 52-line farewell online sunday. maybe not a huge surprise. this is the end. but still a stunning career to see in full. >> kobe bryant. >> kobe. >> reporter: for the first time last night fans watched kobe bryant take the court knowing it would be his last season. >> a huge three.

>> i don't want to do this anymore. you know, and i'm okay with that. >> reporter: bryant posted a note online sunday called "dear basketball." in part saying "my heart can take the pounding. my mind can handle the grind. but my body knows it's time to say good-bye." bryant's 37-year-old legs have betrayed him in recent seasons and he's missed major stretches. the generation behind him is half his age. >> you've got to shoot it quick. >> i had you already. >> reporter: bryant himself had sprung from the era before, that when jordan dominated. both players stood out for their scarily intense desire to win. in 2001 bryant talked to charlie rose about his confidence on "60 minutes." >> i take you to this scene. 20 seconds left to go. you're down by one. you want the ball. you want to take the last shot. >> absolutely.

just love it. >> reporter: bryant's life and career were both thrown into question in 2003, when he was accuse of rape. he was charged with sexual assault, but the case was dismissed and he settled a civil suit with the accuser. his wife stood by him. >> come on. >> reporter: today he's about to end a 20-year nba career. he's not the same guy who once scored 81 points in a game. but he says he accepts that. >> it's the natural progression of growth and maturation. there's no sadness in that. i mean, i've had so many great times, right? i think i'm very appreciative of what i've had. >> bryant has struggled big-time this year, but the lakers are in rebuild mode. so his most important job may be that of mentor. at the end of his career making sure other players get the right start to theirs. that's the overnight news for this tuesday. for some of you the news continues. for others check back with us a little later for the morning news and "cbs this morning."

york city, i'm jericka duncan. the president warns it will soon be too late to stop climate change. we find evidence in china's pollution emergency and in the melting arctic. >> scientists say what happens up here is what's going to happen to all of us. also tonight, deadly storms in the southern plains and upper midwest. a court appearance for the suspect in the planned parenthood attack. and after black friday a new take on the holiday calendar. >> giving tuesday kind of opened up a world of people to start celebrating how we give as good as we get. >> announcer: this is the "cbs overnight news." in paris president obama

approaching the hour when it will be too late to save the planet from climate change. summit meeting mr. obama acknowledged the threat of terrorism, placing a tribute at one of the scenes of the recent attacks. then he told 151 heads of state and government that a deal to cut carbon emissions would be an act of defiance against terror. in our new cbs news/"new york times" poll, 66% of americans said the u.s. should join an international treaty to reduce emissions. when asked whether it's more important to protect the environment or stimulate the economy, 54% chose the environment. 34% the economy. we have a team of correspondents covering this all around the world. first margaret brennan with the

>> i've come here personally as the leader of the world's largest economy and the second largest emitter, to say that the united states of america not only recognizes our role in creating this problem, we embrace our responsibility to do something about it. >> reporter: president obama came to office promising to slow climate change. today he pressed china and india, the world's other top polluters, to join him. and he offered to help poorer countries convert to clean energy. the goal is to get 147 countries to reduce carbon emissions enough to keep global warming below 3.6 degrees fahrenheit. that's the level some scientists believe would prevent natural disasters like floods and droughts. president obama said those types of events are a risk to global security and praised france for hosting the summit just two weeks after the terror attacks. >> what greater rejection of those who would tear down our world than marshaling our best

>> reporter: any agreement won't be legally binding, and it doesn't require congressional approval. but republicans have threatened to withhold funding for a deal. scott, the white house argues that other countries won't cut back on their pollution unless america does so first. >> margaret brennan in paris tonight. margaret, thank you. the world's biggest carbon polluter is china. and right now its capital is choking. seth doane is there. >> reporter: the thick smog blanketed tiananmen square in a murky, hazardous haze. levels of the most poisonous particulates were more than 20 times what the world health organization says is safe. on a polluted day like today beijing is limiting activity at factories and construction sites. it is also encouraging people to stay indoors and encouraging more street cleaning. china launched a so-called war

appears to be losing. 2/3 of china's energy comes from coal. heating systems make pollution even worse. out with his family today, han wei told us the choking smog makes it tough just to leave the house. your son is about 6 1/2. how much do you think about him when you're out in this pollution? "i hope the government could do more so my kid could live in a better environment," he told us. "but i know it's not going to be done in a day." the government here said that the smog was made worse by high humidity and a lack of wind. scott, we didn't see many people on the streets actually wearing these masks. some told us they didn't believe they made a difference. others said they simply felt resigned to living amid the pollution. >> seth doane in the smog capital tonight. seth, thank you. it's surprising, but another growing threat to the environment is the earth itself. there is a spectacular amount of

heat-trapping gases, locked up in the world's frozen tundra. that is, until now. we sent mark phillips above the arctic circle for tonight's "climate diaries." >> reporter: it's a long way from paris to svalbard, norway, just 800 miles from the north pole. it's not just winter up here. the arctic night has set in. sarah strand, a 22-year-old from california, won't see the sun again until mid february. and darkness isn't the only hazard. >> so i will take the sleigh down if you want to take the rifle. >> okay. >> reporter: this isn't just a scientific frontier. it's polar bear country. by law sarah and her colleague norbert pirk can't go into the wilderness without packing protection. the bears may be more desperate in summer, when their sea ice hunting ground melts back more each year and where at least one

lunch. but sarah and norbert are here in winter, braving the darkness and the cold and the bears, because their instruments are measuring a worrying trend that's happening now. this is basically your baby up here, is that right? >> yeah. that definitely has to be running if we're going to get >> otherwise, all this suffering is for nothing. >> reporter: what the instruments are showing is that greenhouse gases that scientists used to believe were trapped forever in the frozen arctic ground are now being released. >> it's amazing we're look at a gas exchange with the ground carbon dioxide and meths yain methane but then we're comparing that to other parameters we're measuring here. >> reporter: what, like temperature? weather basically. >> yeah. >> reporter: the worry is that with arctic temperatures rising more quickly than anywhere else the gases may be escaping at an increasing rate. and the more greenhouse gases, the more global warming. >> there are concerns of that, yes, especially with the permafrost thawing. we're trying to shine some light

>> reporter: in the dark. >> in the dark. >> reporter: one of the most remote spots on the planet has become the center of research into the future of it. and it's not just because of what will happen to polar bears. the scientists say what happens up here is what's going to happen to all of us. and that's what's brought another american, hannah miller, up here too. the 21-year-old from vermont didn't come for the skiing. she came to study the retreat of glaciers, whose melt water, according to nasa, has contributed to a rise in global sea levels of around three inches in the past 20 years. what the climate change debate needs, she feels, is more science. >> the frustration comes in when climate change deniers use any of the uncertainties to say that your argument is false because you can have uncertainties and still have solid argument.

being sought in the frozen solid landscape. cutting-edge science on the northern edge of the world. mark phillips, cbs news, svalbard, norway. with three simple words. my name is chris noth and i will listen. from maine to maui, thousands of high school students across the country are getting in on the action by volunteering in their communities. chris young: action teams of high school students are joining volunteers of america and major league baseball players to help train and inspire the next generation of volunteers. carlos pea: it's easy to start an action team at your school so you, too, can get in on the action.

if you were a hippie in the '60s, you need to know. it's the dawning of the age of aquarius. yeah, and something else that's cool.

osteoporosis is preventable. all: osteo's preventable? right on! if you dig your bones, protect them. all: cbs cares! well, it looks a little like the arctic circle in the midwest, which is now blanketed in storm warnings. here's david begnaud. >> reporter: over the last 24 hours this has been the scene across much of kansas and parts of oklahoma. >> every time it crackles it means something else is coming down. >> oh, it's coming down. >> reporter: an inch of ice covered power lines that knocked out electricity to thousands of homes and businesses. oklahoma's governor declared a state of emergency in all 77 counties. >> you know, all night we could hear the limbs cracking and the ice falling and we just didn't know what to expect. >> reporter: at least four people died after major flooding

authorities received nearly 37 calls for water rescues since thanksgiving. >> you are freaking lucky. >> i know. >> no way you should have survived that. >> reporter: in utah a 32-year-old woman fell into this icy reservoir while trying to save her dog, who fell through the ice. mantua police officer brad nelson led the rescue. >> walking out onto the ice you could hear it cracking beneath my feet. there's not a whole lot she could have done to help herself at that point. >> reporter: here in minneapolis 8 to 12 inches of snow is expected over the next 12 to 24 hours. scott, across the midwest tonight some 8 million people are under a winter weather advisory. >> david begnaud reporting tonight. david, thank you. today the suspect in that shooting at a planned parenthood clinic in colorado springs made his first court appearance. he will face first-degree murder charges and perhaps the death penalty. three people were killed,

nine were wounded. barry petersen is in colorado springs. >> the initial charge against you is murder in the first degree. >> reporter: robert lewis dear appeared by video link from the county jail, standing next to a public defender. he was asked if he had any questions. he answered in a monotone. >> no questions. >> reporter: sources say he went to the clinic on friday with a duffel bag full of weapons and brought propane tanks in his car he could shoot and cause an explosion. when he surrendered, he reportedly said, "no more baby parts." that may have been a reference to videos filmed and edited by anti-abortion activists where they say planned parenthood officials talked of selling body parts from aborted fetuses. an official from the group that includes the colorado springs videos. >> so anywhere from three up to seven. >> reporter: dear lived in hartsel, about 65 miles west of

home. he was described as reclusive, a man who ever interacted with others and would rarely make eye contact. for the people of colorado springs this is a time of mourning for the dead. university of colorado police officer garrett swasey, mother of two jennifer markovsky, iraq war veteran ke'arre stewart, who was there with his girlfriend. angelica llanca and her daughter alexis were in the clinic but separated when the shooting started. angelica hid in a bathroom. were you afraid you would be killed? >> i don't know. to tell you the truth, all i wanted was my daughter. >> reporter: alexis was among those evacuated hours into the siege. she is still traumatized. >> i can still hear the gunshots. >> now you can hear them in your mind? >> mm-hmm. >> reporter: it is likely that more charges will be filed in the next several weeks. as for the death penalty, scott, the local d.a. says that decision is several months away. >> barry, thank you.

officer jason van dyke was released on $1.5 million bail. van dyke is charged with murdering 17-year-old laquan mcdonald, who was armed with a small knife. video released last week showed the officer shooting mcdonald 16 times as mcdonald was walking away. a baltimore police officer went on trial today in the death of freddie gray, who suffered a spinal injury in april while being driven in a police van. william porter is charged with manslaughter. five other officers will be tried later. the city has been gearing up for this case, and here's jeff pegues. >> the city and the police department need to do better. >> reporter: kevin davis, baltimore's new police commissioner, says his department has been training for the trials and the unrest they could bring. >> we won't stop. >> reporter: are you ready for what may come during and after

>> we are. >> reporter: davis acknowledges that wasn't the case in april. after freddie gray's death the city erupted. businesses were looted and torched. police officers were injured. in the aftermath murders and violent crime spiked and officers were accused of not being aggressive enough. there were concerns that they were pulling back. did that happen? >> i think a more thoughtful way to recognize what happened for a couple months here is this police department had ptsd. >> you said ptsd. is that a politically correct way of saying that they were taking a knee? >> i think it's a correct way of saying that cops had anxiety. >> reporter: davis's predecessor anthony batts was fired in july. but the killings continued. 311 homicides this year, a 59% increase over 2014. davis, who was deputy commissioner at the time of the rioting, says one reason the murder rate is up is this -- the

suddenly 288,000 doses of prescription drugs were on the streets with gangs fighting for control. >> when they get their hands on their stashes, then there's a competition for the geography that they need to occupy to sell their drugs. and then from that violence has erupted. >> reporter: with the trials of those six police officers scheduled to extend straight into next year, davis says that he will treat a protest like a protest and a riot like a riot. scott, that is something he says the department did not do seven months ago. >> jeff pegues in baltimore. jeff, thanks. in the presidential campaign hillary clinton made news today when charlie rose asked her whether u.s. combat troops should join the fight against isis in syria and iraq. >> i agree with the president's point that we're not putting american combat troops back into syria or iraq. we are not going to do that. this fight -- >> under no circumstances would

conceive of any circumstances where i would agree to do that because i think the best way to defeat isis is, as i've said, from the air, which we lead, on the ground which we enable, empower, train, equip, and in cyber space where don't forget they are a formidable adversary online. so what i want to say is look, we don't know yet how many special forces might be needed, how many trainers and surveillance and enablers might be needed but in terms of thousands of combat troops like some on the republican side are recommending, i think that should be a non-starter. >> it was a wide-ranging discussion. don't miss it tomorrow on "cbs this morning." do more americans shop online or in stores? we were surprised. the "cbs overnight news" will be right back. i took mucinex dm for my phlegmy cough.

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today, cyber monday, is expected to be the biggest

more than 121 million americans plan to shop from home and work. our cbs news business analyst jill schlesinger is with us. jill, how big a day was it? >> it's going to be pretty big. we're looking at probably $3 billion in sales, according to adobe digital. now, if we get there, it would be the largest online day of shopping ever. we have some early results from midnight to 10:00 a.m. it was pretty amazing. 50 million visits to 4,500 websites in the u.s. those online shoppers spent about half a billion dollars. that's up about 14% from a year ago in that same time horizon. these numbers are going to get bigger. >> are we getting to a point where more people are going to shop online than actually go into a store? >> i think eventually. but today absolutely not. if you look at the recent data from the commerce department, we

for somewhere in the vicinity of 15%, 16% of total sales. maybe we'll drift up to closer to 20%. but you know, for now people still want to be in a physical location and spend their dollars there. >> i understand some of the retailers couldn't handle the traffic today. >> yeah. this was pretty wild because over the last few days outages at very big retailers like nordstrom or victoria's secret, this morning a big outage at target. paypal down for a while. so technology not always perfect. i think the good news here is with the advent of apps and information we're smarter, we're better consumers. and the reality is we can now combat those algorithms that are targeting us so beautifully by being informed. >> business analyst jill schlesinger, thank you very much, jill. an olympic champion has

her story, just ahead. royal watchers are enjoying a new look at britain's youngest princess. charlotte, the daughter of william and kate, the duke and duchess of cambridge, is nearly seven months old. mom took the pictures. today olympic champion amy van dyken rouen celebrated a big breakthrough. she walked. the six-time gold medal swimmer posted this video, calling these strides without upper body braces a huge step. van dyken rouen's spine was severed nearly two years ago in

and we'll be right back. woman: what does it feel like when a woman is having a heart attack? chest pain, like there's a ton of weight on your chest. severe shortness of breath. unexplained nausea. cold sweats. there's an unusual tiredness and fatigue. there's unfamiliar dizziness or light-headedness. unusual pain in your back, neck, jaw, one or both arms, even your upper stomach, are signs you're having a heart attack. don't make excuses. make the call to 9-1-1 immediately. learn more at womenshealth.gov/heartattack. while i was on a combat patrol in baqubah, iraq, a rocket-propelled grenade took my arm off at the shoulder. i was discharged from the army, and i've been working with the wounded warrior project since 2007. warriors, you don't have to be severely wounded to be with the wounded warrior project. we do have a lot of guys that have post-traumatic stress disorder. being able to share your story, i guess it

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after cyber monday comes giving tuesday. michelle miller tells us that a lot of folks are getting into the spirit. >> that's the number of complete applications we have. >> reporter: at the giving tuesday command central in new york city volunteers are gearing up for tomorrow. so giving tuesday started right here at the 92nd street y? >> yeah, that's right. >> reporter: henry timms is the y's executive director. three years ago he came up with the campaign. >> we never needed more than six words. it was always black friday, cyber monday, giving tuesday, and people would really say yeah, i think that's a good idea. >> on giving tuesday everyone

>> reporter: his idea was simple. after several days of shopping he wanted people to refocus on giving. to any charity or purpose they wanted to. he asked others to help. >> they jumped right on the bandwagon. >> it was an amazing thing to see that actually all over the country people started to bring their own ideas to giving tuesday and started to grow it. >> reporter: the movement now has 40,000 partners worldwide and raised more than $86 million. >> you'll see these letters that the kids have written to their donor. >> reporter: charles best runs donorschoose.org, a charity which matches teachers' wish lists to donors. >> what's great about giving tuesday is people can be supportive, can be generous in any way they see fit. they can give of their time. they can give of their money. >> ready. >> reporter: genein letford teaches music in the los angeles area. she received dozens of instruments from the giving tuesday campaign. >> the cool thing is it's not just about bringing the materials into the classroom and

opportunity, but it's connecting the community to our schools. >> at a time when we feel like the most public conversations are about things which threaten us or things that divide us, how valuable is it to have a conversation about something that unites us? >> reporter: a day expected to bring many thanks after much giving. michelle miller, cbs news, new york. that's the overnight news for this tuesday. for some of you the news continues. for others check back with us a little bit later for the morning news and of course "cbs this morning."

york city, i'm scott pelley. >> announcer: this is the "cbs overnight news." welcome to the "overnight news." i'm jericka duncan. president obama and other world leaders at the international climate summit in paris got some words of warning from pope francis. on his way home from a week-long pilgrimage to africa pope francis warned that the world is in his words at the limit of suicide and that it is now or never to reach an agreement to limit global warming. president obama echoed those sentiments monday in paris. >> we're here because we recognize the urgency of climate change and we believe that there's something that we can

as long as we work together. while the agreement that we seek in paris will be forged by governments, the ambitious targets that we set for ourselves are going to be reached in large part by the efforts of our scientists, our businesses, our workers, our investors. >> margaret brennan is at the paris conference. >> reporter: the world's two biggest polluters, china and the u.s., kicked off the climate change summit. >> it's our responsibility to take action. >> reporter: a pledge made as smog climbed to dangerously high levels in china. the goal in paris is to limit global warming to 6.3 degrees fahrenheit from preindustrial levels. but the terror threat is diverting attention. the president's first stop on french soil was to pay his respects last night at the bataclan theater, site of the worst of the paris attacks.

a 120,000-strong security force is stationed across the country. riot police have been deployed in unprecedented numbers. on sunday 174 protesters were arrested for defying the government ban on demonstrations. former diplomatic security agent bruce tully has spent 40 years protecting dignitaries around the world. >> i think this is one of the highest-risk environments i've seen professionally in my career. there's so much threat analysis out there, not just from isis, copycats, but also because of the protesters for the conference itself. >> reporter: environmentalists silently protested the ban on their march, leaving their shoes in the square they had hoped to walk through. a cbs news/"new york times" poll shows that 53% of americans believe global warming is caused by human activity. 31% think natural weather patterns are the biggest factor. american experts are working in some of the world's most

impact of global warming. mark phillips has the first installment of our series "the climate diaries." >> reporter: while world leaders may be negotiating about what to do about climate in paris, but some of the most important research on the subject is being done about as far away from civilization as you can get. this is svalbard, a collection of norwegian islands just 800 miles from the north pole. and it's where a young american climate scientist has come to try to unlock some of the secrets of climate change that have been frozen into this landscape for tens of thousands of years. sarah strand, a 22-year-old californian, won't see the sun again until mid february. the polar night has set in, and darkness isn't the only thing to worry about up here. >> so i will take the flare gun if you want to take the rifle. >> okay. >> reporter: this is polar bear

are required by law to pack protection. the bears are more of a threat in summer when the meltback of their sea ice hunting ground has made them more desperate for food, even to the point of attacking a research boat. but there's still a threat in winter, and it's in winter that this research must be done. >> this is basically your baby up here, is that right? >> yeah. it definitely has to be running if we're going to get all the data. >> otherwise all this suffering is for nothing. >> reporter: every day sarah comes out here to check instruments that are measuring a worrying trend. the release of greenhouse gases, which scientists used to think were safely locked into the frozen ground. >> the main thing we're looking at is the gas exchange with the ground carbon dioxide and methane. but then we're comparing that to other parameters that we're measuring here. >> what, like temperature -- >> exactly.

>> reporter: and the more those greenhouse gases are released, even from frozen places like this, the more warming there will be. >> there are concerns of that, yes. especially with the permafrost thawing that there is now old carbon that has become -- becoming available again to possibly be released into the atmosphere. we're trying to shine some light on this. >> in the dark. >> in the dark. >> reporter: sarah has been here a year and a half, working in these conditions because the arctic is, ironically and worryingly, where the earth appears to be warming most. they call it arctic amplification. it's hard to tell on a day like this, but the arctic is warming sooner, faster, and more than anywhere else. why that's happening and what it means for the rest of us is why this little speck in the arctic has become the major center of climate research. >> you can't just measure one thing and say oh, climate change, but it's more about having all these monitoring projects and understanding how the system is working. >> reporter: another american,

from vermont, is here too. she didn't come for the skiing. she came to study how glaciers are shrinking. their melt water contributing to sea level rise. climate change decisions, she says, have to be based on science. >> the frustration comes in when climate change deniers use any of the uncertainties to say that your argument is false. because you can have uncertainties and still have solid argument. >> hannah and sarah have joined a small, dedicated and brave community in svalbard. it's cutting-edge science up there on the edge of the world. on the campaign trail republican presidential front-runner donald trump met with a large group of african-american religious leaders. but the planned news conference was canceled after some of the clergy were told it was a chance to endorse trump's presidential bid.

trump their blessing. major garrett reports. >> reporter: baltimore pastor and activist jamal bryant questioned the wisdom of pastors lending their reputation to a campaign promotional flyer. >> why did those who participate in black lives matter look at the black church as a joke? and maybe it's because of these 100 preachers who have in fact prostituted the authenticity of the prophetic mantle. >> reporter: at least three pastors listed on the flyer have backed out. others like mark burns, who supports trump's candidacy, admit many african-americans still have questions. >> this meeting is -- again, it's a 911 cry that he has to be able to address some of these issues and not just do it privately but he has to come out and address it publicly. >> reporter: numerous other pastors scheduled to be at the meeting have released statements making it clear their presence is not an endorsement. one pastor said trump must address issues of racism and criminal justice reform. black lives matter protesters

some trump rallies, episodes trump said little about during or after. the cbs overnight news will be right back. i have asthma... ...one of many pieces in my life. so when my asthma symptoms kept coming back on my long-term control medicine, i talked to my doctor and found a missing piece in my asthma treatment. once-daily breo prevents asthma symptoms. breo is for adults with asthma not well controlled on a long-term asthma control medicine, like an inhaled corticosteroid. breo won't replace a rescue inhaler for sudden breathing problems. breo opens up airways to help improve breathing for a full 24 hours. breo contains a type of medicine that increases the risk of death from asthma problems and may increase the risk of hospitalization in children and adolescents. breo is not for people whose asthma is well controlled on a long-term asthma control medicine, like an inhaled corticosteroid. once your asthma is well controlled, your doctor will decide if you can stop breo and prescribe a different asthma control medicine, like an inhaled corticosteroid. do not take breo more than prescribed. see your doctor if your asthma

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oh yeah, baby. geico's as fast and friendly as it gets. woo! geico. expect great savings and a whole lot more. a cbs news investigation on the peace corps shows nearly 20% of volunteers experienced some type of sexual assault. more than half of those say they suffered repeat attacks. what's more, many who came forward say they suffered retaliation from their bosses. kris van cleave reports. >> reporter: nearly 7,000 peace corps volunteers are currently serving in about 65 countries, and according to a recent anonymous peace corps safety questionnaire obtained by cbs news, roughly 1 in 5 volunteers

assaulted during their service. the report also shows nearly half didn't report the assaults. one volunteer wrote, "in reporting an assault i made myself a target." >> my thought was they're going to rape me, these men are -- these men are going to try to rape me. >> reporter: 23-year-old peace corps volunteer denay smith had been in the remote dominican republic town of los mesquitos for eight months when in april two men with machetes forced her off this, the village's main road. smith fought them off and reported the assault to the peace corps. within a week the agency told her she was going home. >> and they also told me that my attack had occurred because i had been walking in my sight and as a volunteer it was my job to have been more proactive to prevent it from happening. >> reporter: more than 500 volunteers have reported experiencing a sexual assault in a little over two years. we spoke with nearly a dozen who questioned how their recent cases were handled. they told us they felt criticized and were threatened

five years ago the peace corps, a government agency, faced intense scrutiny over its response to sexual assaults. congress passed a law, and the agency's then director vowed change. >> i hired a nationally recognized leader in victims' rights to be our first agency's victim's advocate. >> reporter: that leader was kelly green. >> i'm getting phone calls and i'm getting e fails from returned volunteers that are in tears because they can't get the help that they need. >> reporter: cbs news found some peace corps employees attempting to limit the number of in-country counseling sessions for sexual assault survivors to a maximum of 6. in this 2014 e-mail a peace corps clinical psychologist said of a volunteer, "the need for ongoing therapy is an indication the volunteer was not a good fit for peace corps service." after another volunteer asked for additional counseling a peace corps medical officer sent this e-mail saying, "i'm sure this will make no difference in her behavior." >> i pushed the agency to really

of doing, and that's what's so frustrating because they have the ability to do this and it is a choice not to. >> reporter: earlier this month the peace corps suspended her without pay for allegedly creating a hostile work environment. but green says she was punished for standing up for the victims she was hired to protect. bonnie scott was a peace corps volunteer in albania. earlier this year she says she alerted the peace corps one of its american officials was allegedly sexually assaulting albanian women. >> he was given the option to resign rather than face misconduct charges, which meant that everything would be covered up. >> reporter: shortly after the official sent this e-mail saying he was resigning for personal reasons, the peace corps fired scott for improperly filling out paperwork. >> they basically kicked me out ten days after they let --

reports show multiple cases of peace corps personnel accused in sexual assaults resigning ahead of administrative action and then being allowed to reapply to the agency. a 2014 i.g. report warned the peace corps screening process for rehiring was not detecting past misconduct. one volunteer who admitted to violating the agency's sexual assault policy was later hired to work at the agency's headquarters in washington, d.c. >> that person's no longer employed by peace corps but i will also say that we are putting in place systems, mechanisms, to make sure that doesn't happen again in the future. >> person after person paints this picture of at least some percentage of the time there is what appears to be blaming or retaliatory responses to people who've just suffered a trauma. >> this is unacceptable to us, and we are trying to change the culture. our best indicator of volunteer satisfaction with our services is our sexual assault response quality survey. and 96% have said that they're satisfied with their service. >> reporter: that anonymous

just 52 responded. >> we have made enormous progress but it is a huge task and every single day we're providing better care. >> reporter: but denay smith feels only disappointment. >> i feel like peace corps failed me every step of the way. >> so far the peace corps says it has instituted more than 30 reforms regarding sexual assault and works to retrain employees who appear unsympathetic to survivors. kelly green, the peace corps victim advocate that's been suspended by the agency, is pursuing whistleblower protection but the peace corps disputes any claims it retaliated against her. the death toll continues to rise after holiday weekend storms socked the midwest and plain states. police in fort worth, texas recovered a car that had been swept away by flood waters. there was a body inside that hasn't been identified. rachel calderone in yukon, oklahoma where many residents are still without power. >> reporter: just as hundreds of

yukon, oklahoma and to move the trees and open up these roads, a 4.5 magnitude earthquake struck early this morning, obviously complicating matters for those crews working to restore power to some 60,000 people. massive sheets of falling ice created close calls across the south as a deadly winter storm froze over trees. and knocked out power for thousands. >> you know, all night we could hear limbs cracking and the ice falling and we just didn't know what to expect. >> reporter: for three days the freezing rain on oklahoma, causing extensive damage. >> oh, it's coming down. >> reporter: more than 71,000 homes and businesses were without power.

>> we've been hearing it for two days, every time it crackles it means something else is coming down. >> reporter: there were extreme conditions in hutchinson, kansas. at least six people have died in that state. the violent winter storm smashed out car windows, split trees in two, and knocked down power lines. the line of severe weather also caused flooding in texas, where more than 38 people were rescued since thanksgiving. in amarillo two people were injured after this semi truck slammed into a restaurant. weather has been blamed for another eight deaths in that state. the earliest estimate for power to be restored is on tuesday. and because of this dozens of schools are still closed at this time. the cbs overnight news will be right back.ere for ya? ugh. my sinuses are killing me. yeah...just wait 'til we hit ten thousand feet. i'm gonna take mucinex sinus-max. too late, we're about to take off. these dissolve fast. they're new liquid gels. and you're coming with me... wait, what?! you realize i have gold status?

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an international conference in washington today will focus on a revolutionary technology that can edit genetic mistakes. it's called crispr, and it could rid the world of cystic fibrosis, muscular dystrophy, and even hiv and cancer. norah o'donnell spoke with one of the pioneers. >> what is crispr? >> first of all, it's an acronym. it stands for clustered regularly interspaced short palindromic repeats, a huge mouthful. you can see why we use the acronym crispr. >> so i'm sorry. what's crispr again?

doudna gets asked that question a lot. a researcher and professor at uc berkeley, doudna has become a spokesperson for a gene editing technology she's credited with developing. that mouthful known as crispr. >> i've heard it compared to essentially like a film editor slicing a bit of film. >> i would say that's a great analogy, yeah. >> how does that work, then? >> you think about a film strip and you see a particular segment of the film that you want to replace and if you had a film splicer you'd go in and literally cut it out and piece it back together. maybe with a new clip. imagine being able to do that in the genetic code, the code of life. you could go in and snip out a piece and replace it with something that corrects a mutation that would cause disease. >> that's incredible. >> it's incredible. >> reporter: crispr hs generated immense excitement

with great precision. it used to take months or years now that can be done in a matter of days. >> what i'm excited about there is the potential to use the crisper technology to program a recognize tumor cells in a precise way. >> could it cure at some point virtually any disease? >> i don't know about any disease, but i think any disease that has a genetic basis is something that could be treated using the crispr technology. >> reporter: and imagine, doudna says we could expect to see clinical applications of crispr within the next few years. >> this is no longer science fiction. >> reporter: but alongside crispr's promise come some fears of its perils, like embryo editing that could lead to designer babies. >> what is the dark side of this technology? >> one of them is of course making changes to human embryos

so we're talk about something that would affect human evolution. >> you could have an instance where a lab is creating lots of human embryos just for the sake of experimenting on genome editing on them, right? >> if you're asking me could that be done technically the answer is it could. could it be done with current regulations in place? certainly not in the u.s. >> or europe. >> or europe, right. >> there's still a lot of other countries other than the u.s. -- >> well, science is global and there are different cultural viewpoints on that kind of application. >> reporter: in april chinese scientists reported using crispr to edit the disease genomes of human embryos for the first time pn't experiment was a failure but it sparked concerns worldwide. >> i and my colleagues have called for a global pause.

been vocal about the need to set ethical boundaries and is convening an international summit in washington, d.c. >> what do you hope comes out of that? >> i think it would be great if we can at least get on the table the key issues. it's hard to imagine that there would be a consensus by all of the parties at the table about how to proceed but i do think the first step is to have that conversation. >> emanuel charpontier and jennifer doudna. >> reporter: the high hopes and high stakes associated with crispr have catapulted doudna into a rare stratum of scientific celebrities. last year she and her research partner received the$3 million breakthrough prize in life sciences, which seems to be only the beginning. >> your name has been floated repeatedly for the winner of the nobel prize in science. >> i'm just incredibly honored and shocked to see that. i don't honestly think much about it. >> why you surprise when'd "time" named you one of the 100

>> i was completely surprised. that came at me out of the blue. yeah. >> that's a pretty heady group. you're in with charlie rose and pope francis. >> yeah, i know. pretty interesting. it was a fun party. the cbs overnight news will be right back. when the engines failed on the plane i was flying, i knew what to do to save my passengers. but when my father sank into depression, i didn't know how to help him. when he ultimately shot himself, he left our family devastated. don't let this happen to you. if you or a loved one is suicidal, call the national suicide prevention lifeline.

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say it ain't so. basketball legend kobe bryant says he'll be hanging up his sneakers this season, retiring after 20 years on the hardwood. bryant has won five nba championships. he's been an all-star 17 times and is the third leading scorer in nba history. jeff glor has a look back at his brilliant career. >> reporter: bryant posted a 52-line farewell online sunday. maybe not a huge surprise. this is the end. but still a stunning career to see in full. >> kobe bryant. >> kobe. >> reporter: for the first time last night fans watched kobe bryant take the court knowing it would be his last season. >> a huge three. >> did you see that shot?

you know, and i'm okay with that. >> reporter: bryant posted a note online sunday called "dear basketball." in part saying "my heart can take the pounding. my mind can handle the grind. but my body knows it's time to say good-bye." bryant's 37-year-old legs have betrayed him in recent seasons and he's missed major stretches. the generation behind him is half his age. >> mike, you've got to shoot it quick. >> i had you already. >> reporter: bryant himself had sprung from the era before that, when jordan dominated. both players stood out for their scarily intense desire to win. in 2001 bryant talked to charlie rose about his confidence on "60 minutes." >> i take you to this scene. 20 seconds left to go. you're down by one. you want the ball. you want to take the last shot.

i'm not afraid to fail, and i just love it. >> reporter: bryant's life and career were both thrown into question in 2003, when he was accused of rape. he was charged with sexual assault, but the case was dismissed and he settled a civil suit with the accuser. his wife stood by him. >> come on. >> reporter: today he's about to end a 20-year nba career. he's not the same guy who once scored 81 points in a game. but he says he accepts that. >> it's the natural progression of growth and maturation. there's no sadness in that. times, right? i think i'm very appreciative of what i've had. >> bryant has struggled big-time rebuild mode. so his most important job may be that of mentor. sure other players get the right start to theirs. that's the overnight news for some of you the news continues. for others check back with us a little later for the morning news and "cbs this morning."

york city, i'm jericka duncan. the president warns it will soon be too late to stop climate change. we find evidence in china's pollution emergency and in the melting arctic. >> scientists say what happens up here is what's going to happen to all of us. also tonight, deadly storms in the southern plains and upper midwest. a court appearance for the suspect in the planned parenthood attack. and after black friday a new take on the holiday calendar. >> giving tuesday kind of opened up a world of people to tart celebrating how we give as good as we get. >> announcer: this is the "cbs overnight news."

warned that the world is fast approaching the hour when it will be too late to save the planet from climate change. before the unprecedented global summit meeting mr. obama acknowledged the threat of one of the scenes of the recent attacks. then he told 151 heads of state and government that a deal to cut carbon emissions would be an act of defiance against terror. in our new cbs news/"new york times" poll, 66% of americans said the u.s. should join an international treaty to reduce emissions. when asked whether it's more important to protect the environment or stimulate the economy, 54 chose the environment. 34% the economy. we have a team of correspondents covering this all around the world. first margaret brennan with the president. >> i've come here personally as the leader of the world's

largest emitter, to say that the united states of america not only recognizes our role in creating this problem, we embrace our responsibility to do something about it. >> reporter: president obama came to office promising to slow climate change. today he pressed china and india, the world's other top polluters, to join him. and he offered to help poorer countries convert to clean energy. the goal is to get 147 countries to reduce carbon emissions enough to keep global warming below 3.6 degrees fahrenheit. that's the level some scientists believe would prevent natural disasters like floods and droughts. president obama said those types of events are a risk to global security and praised france for hosting the summit just two weeks after the terror attacks. >> what greater rejection of those who would tear down our world than marshaling our best efforts to save it.

be legally binding, and it doesn't require congressional approval. but republicans have threatened to withhold funding for a deal. scott, the white house argues that other countries won't cut back on their pollution unless america does so first. >> margaret brennan in paris tonight. margaret, thank you. the world's biggest carbon polluter is china. and right now its capital is choking. seth doane is there. >> reporter: the thick smog blanketed tiananmen square in a murky, hazardous haze. levels of the most poisonous particulates were more than 20 times what the world health organization says is safe. on a polluted day like today beijing is limiting activity at factories and construction sites. it is also encouraging people to stay indoors and encouraging more street cleaning. china launched a so-called war

appears to be losing. 2/3 of china's energy comes from coal. heating systems make pollution even worse. out with his family today, han wei told us the choking smog makes it tough just to leave the house. your son is about 6 1/2. how much do you think about him when you're out in this pollution? "i hope the government could do more so my kid could live in a better environment," he told us. "but i know it's not going to be done in a day." the government here said that the smog was made worse by high humidity and a lack of wind. scott, we didn't see many people on the streets actually wearing these masks. some told us they didn't believe they made a difference. others said they simply felt resigned to living amid the pollution. >> seth doane in the smog capital tonight. seth, thank you. it's surprising, but another growing threat to the environment is the earth itself. there is a spectacular amount of methane, one of the worst

in the world's frozen tundra. that is, until now. we sent mark phillips above the arctic circle for tonight's "climate diaries." >> reporter: it's a long way from paris to svalbard, norway, just 800 miles from the north pole. it's not just winter up here. the arctic night has set in. sarah strand, a 22-year-old from california, won't see the sun again until mid february. and darkness isn't the only hazard. >> so i will take the sleigh down if you want to take the rifle. >> okay. >> reporter: this isn't just a scientific frontier. it's polar bear country. norbert pirk can't go into the wilderness without packing protection. the bears may be more desperate in summer, when their sea ice hunting ground melts back more each year and where at least one bear has been driven to attack a

lunch. but sarah and norbert are here in winter, braving the darkness and the cold and the bears, because their instruments are measuring a worrying trend that's happening now. this is basically your baby up here, is that right? >> yeah. that definitely has to be run field goal we're going to get all the data. >> reporter: otherwise, all this suffering is for nothing. what the instruments are showing is that greenhouse gases that scientists used to believe were trapped forever in the frozen arctic ground are now being released. >> it's amazing we're look at a gas exchange with the ground carbon dioxide sxheth yain and we're comparing that to other parameters we're measuring here. >> reporter: what, like temperature? weather basically. >> yeah. >> reporter: the worry is that with arctic temperatures rising more quickly than anywhere else the gases may be escaping at an increasing rate. and the more greenhouse gases, the more global warming. >> there are concerns of that,

permafrost thawing. we're trying to shine some light on this. >> reporter: in the dark. >> in the dark. >> reporter: one of the most remote spots on the planet has become the center of research into the future of it. and it's not just because of what will happen to polar bears. the scientists say what happens up here is what's going to happen to all of us. and that's what's brought another american, hannah miller, up here too. the 21-year-old from vermont didn't come for the skiing. she came to study the retreat of glaciers, whose melt water, according to nasa, has contributed to a rise in global sea levels of around three inches in the past 20 years. what the climate change debate needs, she feels, is more science. >> the frustration comes in when climate change deniers use any of the uncertainties to say that

you can have uncertainties and still have solid argument. >> reporter: a solid argument being sought in the frozen solid landscape. [ vocalizing ] [ buzzing ] [ tree crashes ] [ wind howling ]

well, it looks a little like the arctic circle in the midwest, which is now blanketed in storm warnings. here's david begnaud. >> reporter: over the last 24 hours this has been the scene across chbkroscross much of kansas and parts of oklahoma. >> every time it crackles it means something else is coming down. >> oh, it's coming down. >> reporter: an inch of ice covers power lines that knocked out electricity to thousands of homes and businesses. oklahoma's governor declared a state of emergency in all 77 counties. >> you know, all night we could hear the limbs cracking and the ice falling and we just didn't know what to expect. >> reporter: at least four people died after major flooding

authorities received nearly 37 calls for water rescues since thanksgiving. >> you are freaking lucky. >> i know. >> no way you should have survived that. >> reporter: in utah a 32-year-old woman fell into this icy reservoir while trying to save her dog, who fell through the ice. mantua police officer brad nelson led the rescue. >> walking out onto the ice you could hear it cracking beneath my feet. there's not a whole lot she could have done to help herself at that point. >> reporter: here in minneapolis 8 to 12 inches of snow is expected over the next 12 to 24 hours. scott, across the midwest tonight some 8 million people are under a winter weather advisory. >> david begnaud reporting tonight. david, thank you. today the suspect in that shooting at a planned parenthood clinic in colorado springs made his first court appearance. he will face first-degree murder charges and perhaps the death penalty. three people were killed, including a police officer.

barry petersen is in colorado springs. >> the initial charge against you is murder in the first degree. >> reporter: robert lewis dear appeared by video link from the county jail, standing next to a public defender. he was asked if he had any questions. he answered in a monotone. >> no questions. >> reporter: sources say he went to the clinic on friday with a duffel bag full of weapons and brought propane tanks in his car he could shoot and cause an explosion. when he surrendered, he reportedly said, "no more baby parts." that may have been a reference to videos filmed and edited by anti-abortion activists where they say planned parenthood officials talked of selling body parts from aborted fetuses. an official from the group that includes the colorado springs clinic was among those in the videos. >> so anywhere from three up to seven. >> reporter: dear lived in hartsel, about 65 miles west of colorado springs in a mobile home. he was described as reclusive, a

others and would rarely make eye contact. for the people of colorado springs this is a time of mourning for the dead. university of colorado police officer garrett swasey, mother of two jennifer markovsky, iraq war veteran ke'arre stewart, who was there with his girlfriend. angelica llanca and her daughter alexis were in the clinic but separated when the shooting started. angelica hid in a bathroom. were you afraid you would be killed? >> i don't know. to tell you the truth, all i wanted was my daughter. >> reporter: alexis was among those evacuated hours into the siege. she is still traumatized. >> i can still hear the gunshots. >> now you can hear them in your mind? >> mm-hmm. >> reporter: it is likely that more charges will be filed in the next several weeks. as for the death penalty, scott, the local d.a. says that decision is several months away. >> barry, thank you.

officer jason van dyke was released on $1.5 million bail. van dyke is charged with murdering 17-year-old laquan mcdonald, who was armed with a small knife. video released last week showed the officer shooting mcdonald 16 times as mcdonald was walking away. a baltimore police officer went on trial today in the death of freddie gray, who suffered a spinal injury in april while being driven in a police van. william porter is charged with manslaughter. five other officers will be tried later. the city has been gearing up for this case, and here's jeff pegues. >> the city and the police department need to do better. >> reporter: kevin davis, baltimore's new police commissioner, says his department has been training for the trials and the unrest they could bring. >> we won't stop. >> reporter: are you ready for what may come during and after the trials?

>> reporter: davis acknowledges that wasn't the case in april. after freddie gray's death the city erupted. businesses were looted and torched. police officers were injured. in the aftermath murders and violent crime spiked and officers were accused of not being aggressive enough. there were concerns that they were pulling back. did that happen? >> i think a more thoughtful way to recognize what happened for a couple months here is this police department had ptsd. >> you said ptsd. is that a politically correct way of saying that they were taking a knee? >> i think it's a correct way of saying that cops had anxiety. >> reporter: davis's predecessor anthony-bats was anthony batts was fired in july. but the kilgsz continued. 311 homicides this year, a 59% increase over 2014. davis, who was deputy commissioner at the time of the rioting, says one reason the murder rate is up is this -- the

suddenly 288,000 doses of prescription drugs were on the streets with gangs fighting for control. >> when they get their hands on their stashes, then there's a competition for the geography that they need to occupy to sell their drugs. and then from that violence has erupted. >> reporter: with the trials of those six police officers scheduled to extend straight into next year, davis says that he will treat a protest like a protest and a riot like a riot. scott, that is something he says the department did not do seven months ago. >> jeff pegues in baltimore. jeff, thanks. in the presidential campaign hillary clinton made news today when charlie rose asked her whether u.s. combat troops should join the fight against isis in syria and iraq. >> i agree with the president's point that we're not putting american combat troops back into syria or iraq. we are not going to do that. this fight -- >> under no circumstances would

>> well, at this point i cannot conceive of any circumstances where i would agree to do that because i think the best way to defeat isis is, as i've said, from the air, which we lead, on the ground which we enable, empower, train, equip, and in cyber space where don't forget they are a formidable adversary online. so what i want to say is look, we don't know yet how many special forces might be needed, how many trainers and surveillance and enablers might be needed but in terms of thousands of combat troops like some on the republican side are recommending, i think that should be a non-starter. >> it was a wide-ranging discussion. don't miss it tomorrow on "cbs this morning." do more americans shop online or in stores?

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today, cyber monday, is expected to be the biggest

more than 121 million americans plan to shop from home and work. our cbs news business analyst jill schlesinger is with us. jill, how big a day was it? >> reporter: it's going to be pretty big. we're looking at probably $3 billion in sales, according to adobe digital. now, if we get there, it would be the largest online day of shopping ever. we have some early results from midnight to 10:00 a.m. it was pretty amazing. 50 million visits to 4,500 websites in the u.s. those online shoppers spent about half a billion dollars. that's up about 14% from a year ago in that same time horizon. these numbers are going to get bigger. >> are we getting to a point where more people are going to shop online than actually go into a store? >> i think eventually. but today absolutely not. if you look at the recent data from the commerce department, we know that online sales account for somewhere in the vicinity of

maybe we'll drift up to closer to 20%. but you know, for now people still want to be in a physical location and spend their dollars there. >> i understand some of the retailers couldn't handle the traffic today. >> yeah. this was pretty wild because over the last few days outages at very big retailers like nordstrom or victoria's secret, this morning a big outage at target. paypal down for a while. so technology not always perfect. i think the good news here is with the advent of apps and information we're smarter, we're better consumers. and the reality is we can now combat those algorithms that are targeting us so beautifully by being informed. >> business analyst jill schlesinger, thank you very much, jill.

her story, just ahead. royal watchers are enjoying a new look at britain's youngest princess. charlotte, the daughter of william and kate, the duke and duchess of cambridge, is nearly seven months old. mom took the pictures. today olympic champion amy van dyken rouen celebrated a big breakthrough. the six-time gold medal swimmer posted this video, calling these strides without upper body braces a huge step. van dyken's ruined spine was

and we'll be right back. every day it's getting closer going faster than a roller coaster a love like yours will surely come my way hey, hey, hey

if your pregnancy is healthy, wait for labor to begin on its own. a healthy baby is worth the wait. o0 c1 travel is part of the american way of life. when we're on vacation, we keep an eye out for anything that looks out of place. [ indistinct conversations ] miss, your bag. when we travel from city to city, we pay attention to our surroundings. [ cheering ] everyone plays a role in keeping our community safe. whether you're traveling for business or pleasure, be aware of your surroundings. if you see something suspicious,

after cyber monday comes giving tuesday. michelle miller tells us that a lot of folks are getting into the spirit. >> that's the number of complete applications we have. >> reporter: at the giving tuesday command central in new york city volunteers are gearing up for tomorrow. so giving tuesday started right here at the 92nd street y? >> yeah, that's right. >> reporter: henry timms is the y's executive director. three years ago he came with the campaign. words. it was always black friday, cyber monday, giving tuesday, and people would really say idea. >> on giving tuesday everyone can be generous. simple.

he wanted people to refocus on giving. to any charity or purpose they wanted to. he asked others to help. >> they jumped right on the bandwagon. >> it was an amazing thing to see that actually all over the country people started to bring their own ideas to giving tuesday and started to grow it. >> reporter: the movement now has 40,000 partners worldwide and raised more than $86 million. >> you'll see these letters that the kids have written to their donor. >> reporter: charles best runs donorschoose.org, a charity which matches teachers' wish lists to donors. >> what's great about giving tuesday is people can be supportive, can be generous in any way they see fit. they can give of their time. they can give of their money. >> ready. >> reporter: genein letford teaches music in the los angeles area. she received dozens of instruments from the giving tuesday campaign. >> the cool thing is it's not just about bringing the materials into the classroom and making sure the kids have this opportunity, but it's connecting

>> at a time when we feel like the most public conversations are about things which threaten us or things that divide us, how valuable is it to have a conversation about something that unites us? >> reporter: a day expected to bring many thanks after much giving. michelle miller, cbs news, new york. that's the overnight news for this tuesday. for some of you the news continues. for others check back with us a little bit later for the morning news and of course "cbs this

york city, i'm scott pelley. >> announcer: this is the "cbs overnight news." welcome to the "overnight news." i'm jericka duncan. president obama and other world leaders at the international climate summit in paris got some francis. on his way home from a week-long pilgrimage to africa pope francis warned that the world is in his words at the limit of suicide and that it is now or never to reach an agreement to limit global warming. president obama echoed those sentiments monday in paris. >> we're here because we recognize the urgency of climate change and we believe that there's something that we can

as long as we work together. while the agreement that we seek in paris will be forged by governments, the ambitious targets that we set for ourselves are going to be reached in large part by the efforts of our scientists, our businesses, our workers, our investors. >> reporter: margaret brennan is at the paris conference. >> reporter: the world's two biggest polluters, china and the u.s., kicked off the climate change summit. >> it's our responsibility to take action. >> reporter: a pledge made as smog climbed to dangerously high levels in china. the goal in paris is to limit global warming to 6.3 degrees fahrenheit from preindustrial levels. but the terror threat is diverting attention. the president's first stop on french soil was to pay his respects last night at the bat bataclan theater, site of the worst of the terror attacks. france remains on high alert.

is stationed across the country. riot police have been deployed in unprecedented number. on sunday 174 protesters were arrested for defying the government ban on demonstrations. former diplomatic security agent bruce tully has spent 40 years protect dignitaries around the world. >> i think this is one of the highest-risk environments i've seen professionally in my career. there's so much threat analysis out there, not just from isis, copycats, but also because of the protesters for the conference itself. >> reporter: environmentalists silently protested the ban on their march, leaving their shoes in the square they had hoped to walk through. a cbs news/"new york times" poll shows that 53% of americans believe global warming is caused by human activity. 31% think natural weather patterns are the biggest factor. american experts are working in

forbidding places to study the impact of global warming. mark phillips has the first installment of our series "the climate diaries." >> reporter: while world leaders may be negotiating about what to do about climate in paris, but some of the most important research on the subject is being done about as far away from civilization as you can get. this is svalbard, a collection of norwegian islands just 800 miles from the north pole. and it's where a young american climate scientist has come to try to unlock some of the secrets of climate change that have been frozen into this landape for tens of thousands of years. sarah strand, a 22-year-old californian, won't see the sun again until mid february. the polar night has set in, and darkness isn't the only thing to worry about up here. >> so i will take the flare gun if you want to take the rifle. >> okay. >> reporter: this is polar bear

german colleague norbert pirk are required by law to pack protection. the bears are more of a threat in summer when the meltback of their sea ice hunting ground has made them more desperate for food, even to the point of attacking a research boat. but there's still a threat in winter, and it's in winter that this research must be done. >> this is basically your baby up here, is that right? >> yeah. it definitely has to be running if we're going to get all the data. >> otherwise all this suffering is for nothing. >> reporter: every day sarah comes out here to check instruments that are measuring a worrying trend. the release of greenhouse gases, which scientists used to think were safely locked into the frozen ground. >> the main thing we're looking at is the gas exchange with the ground carbon dioxide and methane. but then we're comparing that to other parameters that we're measuring here. >> what, like temperature -- >> exactly. >> the weather basically. >> yeah.

greenhouse gases are released, even from frozen places like this, the more warming there will be. >> there are concerns of that, yes. especially with the permafrost thawing that there is now old carbon that has become -- becoming available again to possibly be released into the atmosphere. we're trying to shine some light on this. >> in the dark. >> in the dark. >> reporter: sarah has been here a year and a half, working in these conditions because the arctic is, ironically and worryingly, where the earth appears to be warming most. they call it arctic amplification. it's hard to tell on a day like this, but the arctic is warming sooner, faster, and more than anywhere else. why that's happening and what it means for the rest of us is why this little speck in the arctic has become the major center of climate research. >> you can't just measure one thing and say oh, climate change, but it's more about having all these monitoring projects and understanding how the system is working.

hannah miller, a 21-year-old from vermont, is here too. she didn't come for the skiing. she came to study how glaciers are shrinking. their melt water contributing to sea level rise. climate change decisions, she says, have to be based on science. >> the frustration comes in when climate change deniers use any of the uncertainties to say that your argument is false. because you can have uncertainties and still have solid argument. >> hannah and sarah have joined a small, dedicated and brave community in svalbard. it's cutting-edge science up there on the edge of the world. on the campaign trail front-runner donald trump met with a large group of leaders. but the planned news conference was canceled after some of the clergy were told it was a chance

a lot of them said they were there to listen, not to give trump their blessing. major garrett reports. >> reporter: baltimore pastor and activist jamal bryant questioned the wisdom of pastors lending their reputation to a campaign promotional flyer. >> why did those who participate in black lives matter look at the black church as a joke? and maybe it's because of these 100 preachers who have in fact prostituted the authenticity of the prophetic mantle. >> reporter: at least three pastors listed on the flyer have backed out. others like mark burns, who supports trump's candidacy, admit many african-americans still have questions. >> this meeting is -- again, it's a 911 cry that he has to be able to address some of these issues and not just do it privately but he has to come out and address it publicly. >> reporter: numerous other pastors scheduled to be at the meeting have released statements making it clear their presence is not an endorsement. one pastor said trump must address issues of racism and

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a cbs news investigation on the peace corps shows nearly 20% of volunteers experienced some type of sexual assault. more than half of those say they suffered repeat attacks. what's more, many who came forward say they suffered retaliation from their bosses. kris van cleave reports. >> reporter: nearly 7,000 peace corps volunteers are currently serving in about 65 countries, and according to a recent anonymous peace corps safety questionnaire obtained by cbs news, roughly 1 in 5 volunteers reported being sexually assaulted during their service. the report also shows nearly

one volunteer wrote, "in reporting an assault i made myself a target." >> my thought was they're going to rape me, these men are -- these men are going to try to rape me. >> reporter: 23-year-old peace corps volunteer denay smith had been in the remote dominican republic town of los mesquiteos for eight months when in april two men with machetes forced her off this, the vimmage's main road. smith fought them off and reported the assault to the peace corps. within a week the agency told her she was going home. >> and they also told me that my attack had occurred because i had been walking in my sight and as a volunteer it was my job to be more proactive to prevent it from happening. >> reporter: more than 500 volunteers have reported experiencing a sexual assault in a little over two years. we spoke with nearly a dozen who questioned how their recent cases were handled. they told us they felt criticized and were threatened they would be fired. five years ago the peace corps,

intense scrutiny over its response to sexual assaults. congress passed a law, and the agency's then director vowed change. >> i hired a nationally recognized leader in victims' rights to be our first agency's victim's advocate. >> reporter: that leader was kelly green. >> i'm getting phone calls and i'm getting e fails from returned volunteers that are in tears because they can't get the help that they need. >> reporter: cbs news found some peace corps employees attempting to limit the number of in-country counseling sessions for sexual assault survivors to a maximum of 6. in this 2014 e-mail a peace corps clinical psychologist said of a volunteer, "the need for ongoing therapy is an indication the volunteer was not a good fit for peace corps service." after another volunteer asked for additional counseling a peace corps medical officer sent this e-mail saying, "i'm sure this will make no difference in her behavior." >> i pushed the agency to really

of doing, and that's what's so frustrating because they have the ability to do this and it is a choice not to. >> reporter: earlier this month the peace corps suspended her without pay for allegedly creating a hostile work environment. but green says she was punished for standing up for the victims she was hired to protect. bonnie scott was a peace corps volunteer in albania. earlier this year she says she alerted the peace corps one of its american officials was allegedly sexually assaulting albanian women. >> he was given the option to resign rather than face misconduct charges, which meant that everything would be covered up. >> reporter: shortly after the official sent this e-mail saying he was resigning for personal reasons. the peace corps fired scott for paperwork. >> they basically kicked me out ten days after they let -- >> reporter: inspector general reports show multiple cases of

sexual assaults resigning ahead of administrative action and then being allowed to reapply to the agency. a 2014 i.g. report warned the peace corps screening process for rehiring was not detecting past misconduct. one volunteer who admitted to violating the agency's sexual assault policy was later hired to work at the agency's headquarters in washington, d.c. >> that person's no longer employed by peace corps but i will also say that we are putting in place systems, mechanisms, to make sure that doesn't happen again in the future. >> person after person paints this picture of at least some percentage of the time there is what appears to be blaming or retaliatory responses to people who've just suffered a trauma. >> this is unacceptable to us, and we are trying to change the culture. our best indicator of volunteer satisfaction with our services is our sexual assault response quality survey. and 96% have said that they're satisfied with their service.

survey was sent to 183 people. just 52 responded. >> we have made enormous progress but it is a huge task and every single day we're providing better care. >> reporter: but denay smith feels only disappointment. >> i feel like peace corps failed me every step of the way. it has instituted more than 30 reforms regarding sexual assault and works to retrain employees who appear unsympathetic to survivors. kelly green, the peace corps victim advocate that's been suspended by the agency, is pursuing whistleblower protection but the peace corps disputes any claims it retaliated against her. the death toll continues to rise after holiday weekend storms socked the midwest and plain states. police in fort worth, texas recovered a car that had been swept away by flood waters. there was a body inside that hasn't been identified. rachel calderone in yukon, oklahoma where many residents are still without power. >> reporter: just as hundreds of linemen are out here still

yukon, oklahoma and to move the trees and open up these roads, a 4.5 magnitude earthquake struck early this morning obviously complicating matters for those crews working to restore power to some 60,000 people. massive sheets of ice created close calls across the south as a deadly winter storm froze over trees. cars. and knocked out power for thousands. >> you know, all night we could hear limbs cracking and the ice falling and we just didn't know what to expect. >> reporter: for three days the relentless ice storm dumped freezing rain on oklahoma, causing extensive damage. >> oh, it's coming down. >> reporter: more than 71,000 homes and businesses were without power. oklahoma's governor declared a state of emergency in all 77 counties.

days, every time it crackles it down. >> reporter: there were extreme conditions in hutchinson, kansas. at least six people have died in that state. the violent winter storm smashed out car windows, split trees in lines. the line of severe weather also caused flooding in texas, where more than 38 people were rescued since thanksgiving. in amarillo two people were injured after this semi truck slammed into a restaurant. weather has been blamed for another eight deaths in that state. the earliest estimate for power to be restored is on tuesday.

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what's crisper again? >> reporter: she gets asked that question a lot. a researcher and professor at uc berkeley she's become a spokesperson for a gene editing technology she's credited with developing. that mouthful known as crisper. >> i've heard it compared to essentially a film editor slicing a bit of film. >> i would say that's a great analogy analogy, yeah. >> how does that work? >> you think about a film strip and you see a particular segment of the film you that want to replace and if you had a film splicer you'd go in and literally cut it out and piece it back together. maybe with a new clip. imagine being able to do that in the genetic code, the code of life. you could go in and snip out a piece and replace it with something that corrects a mutation that would cause disease. >> that's incredible. >> it's incredible. >> reporter: crisper has generated immense excitement because it's fast, cheap, and

it used to take months or years to alter a single gene. now that can be done in a matter of days. >> could it end cancer? >> what i'm excited about there is the potential to use the crisper technology to program a patient's immune system to recognize tumor cells in a precise way. >> could it cure at some point virtually any disease? >> i don't know about any disease, but i think any disease that has a genetic basis. is something that could be treated using the crisper technology. >> reporter: and imagine, dowdna says we could expect to see clinical applications of crisper in the next few years. but alongside crisper's promise come fears of its perils like embryo editing that could lead to designer babies. >> what is the dark side of this technology? >> one of them is of course making changes to human embryos which become permanent.

that would affect human evolution. >> you could have an instance where a lab is creating lots of human embryos just for the sake of experimenting on them. >> if you're asking me could that be done technically the answer is it could. could it be done with current regulations in place? certainly not in the u.s. >> or europe. >> or europe, right. >> there's still a lot of other countries other than the u.s. -- >> well, science is global and there are different cultural viewpoints on that kind of application. >> reporter: in april chinese scientists reported using crispr to edit the disease genomes of human emborrows human embryos for the first time pn't experiment was a failure but it sparked concerns worldwide. >> i and my colleagues have

vocal about the need to set ethical boundaries and is convening an international summit in washington, d.c. >> what do you hope comes out of that? >> i think it would be great if we can at least get on the table the key issues. it's hard to imagine that there would be a con sensus by all of the parties at the table about how to proceed but i think the first step is to have that conversation. >> emanuel charpontdnier and jennifer dowdna. >> reporter: the high stakes associated with crispr have catapulted her into a rare stratum of scientific celebrities. last year she and her research partner received the $3 million breakthrough prize in life sciences, which seems to be only the beginning. >> your name has been floated repeatedly for the winner of the nobel prize in science. >> i'm just incredibly honored and shocked to see that. i don't honestly think of about it. >> why you surprise when'd

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say it ain't so. basketball legend kobe bryant says he'll be hanging up his sneakers this season, retiring after 20 years on the hardwood. bryant has won five nba championships. he's been an all-star 17 times and is the third leading scorer in nba history. jeff glor has a look back at his brilliant career. >> reporter: bryant posted a 52-line farewell online sunday. maybe not a huge surprise. this is the end. but still a stunning career to see in full. >> kobe bryant. >> kobe. >> reporter: for the first time last night fans watched kobe bryant take the court knowing it would be his last season. >> a huge three.

>> i don't want to do this anymore. you know, and i'm okay with that. >> reporter: bryant posted a note online sunday called "dear basketball." in part saying "my heart can take the pounding my mind can handle the grind. but my body knows it's time to say good-bye." bryant's 37-year-old legs have betrayed him in recent seasons and he's missed major stretches. the generation behind him iss half his age. >> you've got to shoot it quick. >> i had you already. >> reporter: bryant himself had sprung from the era before, that when jordan dominated. both players stood out for their scarily intense desire to win. in 2001 bryant talked to charlie rose about his confidence on "60 minutes." >> i take you to this scene. 20 seconds left to go. you're down by one. you want the ball. you want to take the last shot. >> absolutely.

just love it. >> reporter: bryant's life and career were both thrown into question in 2003, when he was accuse of rape. he was charged with sexual assault, but the case was dismissed and he settled a civil suit with the accuser. his wife stood by him. >> come on. >> reporter: today he's about to end a 20-year nba career. he's not the same guy who once scored 81 points in a game. but he says he accepts that. >> it's the natural progression of growth and maturation. there's no sadness in that. i mean, i've had so many great times, right? i think i'm very appreciative of what i've had. >> bryant has struggled big-time this year, but the lakers are in rebuild mode. so his most important job may be that of mentor. at the end of f s career making sure other players get the right start to theirs. that's the overnight news for this tuesday. for some of you the news continues. for others check back with us a little later for the morning news and "cbs this morning."

york city, i'm jericka duncan. the president warns it will soon be too late to stop climatete change. we find evidence in china's pollution emergency and in the melting arctic. >> scientists say what happens up here is what's going to happen to all of us. also tonight, deadly storms in the southern plains and upper midwest. a court appearance for the suspect in the planned parenthood attack. and after black friday a new take on the holiday calendar. >> giving tuesday kind of opened up a world of people to start celebrating how we give as good as we get. >> announcer: this is the "cbs overnight news." in paris president obama

will be too late to save the planet from climate change. before the unprecedented global summit meeting mr. obama acknowledged the threat of terrorism, placing a tribute at one of the scenes of the recent attacks. then he told 151 heads of state and government that a deal to cut carbon emissio would be an act of defiance against terror. in our new cbs news/"new york times" poll, 66% of americans said the u.s. should join an internatatnal treaty to reducece ememsions. when asked whether it's more important to protect the environment or stimulate the economy, 54% chose the environment. 34% the economy. we have a team of correspondents covering this all around the world. first margaret brennan with the president.

the leader of the world's largest economy and the second largest emitter, to say that the united states of america not only recognizes our role in creating this problem, we embrace our responsibility to do something about it. >> reporter: president obama came to office promising to slow climate change. today he pressed china and india, the world's other top polluters, to join him. and he offered to help poorer countries convert to clean energy. the goal is to get 147 countries to reduce carbon emissions enough to keep global warming below 3.6 degrees fahrenheit. that's the level some scientists believe woululprevent natural disasaers like floods and droughts. president obama said those types of events are a risk to global security and praised france for hosting the summit just two weeks after the terror attacks. >> what greater rejection of those who would tear down our world than marshaling our best

>> reporter: any agreement won't be legally binding, and it doesn't require congressional approval. but republicans have threatened to withhold funding for a deal. scott, the white house argues that other countries won't cut back on their pollution unless america does so first. >> margaret brennan in paris tonight. margaret, thank you. the world's biggest carbon polluter is china. and right now its capital is choking. seth doane is there. >> reporter: the thick smog blanketed tiananmen square in a murky, hazardous haze. levels of the most poisonous particulates were more than 20 times what the world health organization says is safe. on a polluted day like today beijing is limiting activity at factories and construction sites. it is also encouraging people to stay indoors and encouraging more street cleaning. china launched a so-called war

appears to be losing. 2/3 3 china's energy comes from coal. heating systems make pollution even worse. out with his family today, han wei told us the choking smog makes it tough just to leave the house. your son is about 6 1/2. how much do you think about him when you're out in this pollution? "i hope the government could do more so my kid could live in a better environment," he told us. "but i know it's not going to be done in a day." the government here said that the smog was made worse by high humidity and a lack of wind. scott, we didn't see many people on the streets actually wearing these masks. some told us they didn't believe they made a difference. others said they simply felt resigned to living amid the pollution. >> seth doane in the smog capital tonight. seth, thank you. it's surprising, but another growing threat to the environment is the earth itself. there is a spectacular amount of

heat-trapping gases, locked up in the world's frozen tundra. that is, until now. we sent mark phillips above the arctic circle for tonight's "climate diaries." >> reporter: it's a long way from paris to svalbard, norway, just 800 miles from the north pole. it's not just winter up here. the arctic night has set in.n. sarah strand, a 22-year-old from california, won't see the sun again until mid february. and darkness isn't the only hazard. >> so i will take the sleigh down if you want to take the rifle. >> okay. >> reporter: this isn't just a scientific frontier. it's polar bear country. by law sarah and her colleague norbert pirk can't go into the wilderness without packing protection. the bears may y more desperate in summeme when their sea ice e hunting ground m mts back more each year and where at least one bear has been driven to attack a

lunch. but sarah and norbert are here in winter, braving the darkness and the cold and the bears, because their instruments are measuring a worrying trend that's happening now. this is basically your baby up here, is that right? >> yeah. that definitely has to be running if we're going to get >> otherwise, all this suffering is for nothing. >> reporter: what the instruments are showing is that greenhouse gases that scientists used to believe were trapped forever in the frozen arctic ground are now being released. >> it's amazing we're look at a gas exchange with the ground carbon dioxide and meths yain methane but then we're comparing that to other parameters we're measuring here. >> reporter: what, like temperature? weather basically. >> yeah. >eporter: the worry is that with arctic c mperatures rising more quickly than anywhere else ththgases may be escaping at an increasisi rate. and the e re greenhouse gases,s, the more global warming. >> there are concerns of that, yes, especially with the permafrost thawing. we're trying to shine some light

>> reporter: in the dark. >> in the dark. >> reporter: one of the most remote spots on the planet has become the center of research into the future of it. and it's not just because of what will happen to polar bears. the scientists say what happens up here is what's going to and that's what't'brought another american, hannah miller, up here too. the 21-year-old from vermont didn't come for the skiing. she came to study the retreat of glaciers, whose melt water, according to nasa, has contributed to a rise in global sea levels of around three inches in the past 20 years. what the climate change debate needs, she feels, is more science. >> the frustration comes in when climate change deniers use any of the uncertainties to say that your argument is false because you can have uncertainties and

being sought in the frozen solid landscape. cutting-edge science on the northern edge of the world. almost sixty million americans are affected by mental illness. together we can help them with three simple words. my name is chris noth and i will listen. from maine to maui, thousands of high school students across the country are getting in on the action by volunteering in their communities. chris young: action teams of high school students are joining volunteers of america and major league baseball players to help train and inspire the next generation of volunteers. carlos pea: it's easy to start an action team at your school you, too, can get in on the action.

if you were a hippie in the '60s, you need to know. it's the dawning of the age of aquarius. yeah, and something else that's cool.

osteoporosis is preventable. all: osteo's preventable? right on! if you dig your bones, protect them. all: cbs cares! well, it looks a little like the arctic circle in the midwest, which is now blanketed in storm warnings. here's david begnaud. >> reporter: over the last 24 hours this has been the scene across much of kansas and parts of oklahoma. >> every time it crackles it means something else is coming down. >> oh, it's coming down. >> reporter: an inch of ice covered power lines that knocked out electricity to thousands of homes and businesses. oklahoma's governor declared a state of emergency in all 77 counties. >> you know, all night we could hear the limbs cracking and the ice falling and we just didn't know what to expect. >> reporter: at least four people died after major flooding

authorities received nearly 37 calls for water rescues since thanksgiving. >> you are freaking lucky. >> i know. >> no way yoyoshould have survived that. >> reporter: in utah a 32-year-old woman fell into this icy reservoir while trying to save her dog, who fell through the ice. mantua police officer brad nelson led the rescue. >> walking out onto the ice you could hear it cracking beneath my feet. there's not a whole lot she could have done to help herself at that point. >> reporter: here in minneapolis 8 to 12 inches of snow is expepeed over the next 12 2 24 hours. scott, across the midwest tonight some 8 million people are under a winter weather advisory. >> david begnaud reporting tonight. david, thank you. today the suspect in that shooting at a planned parenthood clinic in colorado springs made his first court appearance. he will face first-degree murder charges and perhaps the death penalty. three people were killed,

barry petersen is in colorado springs. >> the initial charge against u is murder in the first gree. >> reporter: robert lewis dear appeared by video link from the county jail, standing next to a public defender. he was asked if he had any questions. he answered in a monotone. >> no questions. >> reporter: sources say he went to the clinic on friday with a duffel bag full of weapons and brought propane tanks in his car he could shoot and cause an explosion. when he surrendered, he reportedly said, "no more baby parts." that may have been a reference to videos filmed and edited by anti-abortion activiststwhere they say planned parenthood officials talked of selling body parts from aborted fetuses. an official from the group that includes the colorado springs clinic was among those in the videos. >> so anywhere from three up to seven. >> reporter: dear lived in hartsel, about 65 miles west of

home. he was described as reclusive, a man who ever interacted with others and would rarely make eye contact. for the people of colorado springs this is a time of mourning for the dead. university of colorado police officer garrett swasey, mother of two jennifer markovsky, iraq war veteran ke'arre stewart, who was there with his girlfriend. angelica llanca and her daughter alexis were in the clinic but separated when the shooting started. angelica hid in a bathroom. were you afraid you would be killed? >> i don't know. to tell you the truth, all i wanted was my daughter. >> reporter: alexis was among those evacuated hours into the siege. she is still traumatized. >> i can still hear the gunshots. >> now you can hear them in your mind? >> mm-hmm. >> reporter: it is likely that more charges will be filed in the next several weeks. as for the death penalty, scott, the local d.a. says that decision is several months away. >> barry, thank you.

officer jason van dyke was released on $1.5 million bail. van dyke is charged with murdering 17-year-old laquan mcdonald, who was armed with a small knife. video released last week showed the officer shooting mcdonald 16 times as mcdonald was walking away. a baltimore police officer went on trial today in the death of freddie gray, who suffered a spinal injury in april while being driven in a police van. william porter is charged with manslaughter. five other officers will be tried later. the city has been gearing up for this case, and here's jeff pegues. >> the city and the police department need to do better. >> reporter: kevin davis, baltimore's new police commissioner, says his department has been training for the trials and the unrest they could bring. >> we won't stop. >> reporter: are you ready for what mayayome during and afterer

>> we are. >> reporter: davis acknowledges that wasn't the case in april. after freddie gray's death the city erupted. businesses were looted and torched. police officers were injured. in the aftermath murders and violent crime spiked and officers were accused of not being aggressive enough. there were concerns that they were pulling back. did that happen? >> i t tnk a more thoughtful way to recognize what happened f f a couple monththhere is this police department had ptsd. >> you said ptsd. is that a politically correct way of saying that they were taking a knee? >> i think it's a correct way of saying that cops had anxiety. >> reporter: davis's predecessor anthony batts was fired in july. but the killings continued. 311 homicides this year, a 59% increase over 2014. davis, who was deputy commissisier at the time of the rioting, says one reason the murder rate is up is this -- the

suddenly 288,000 doses of prescription drugs were on the streets with gangs fighting for control. >> when they get their hands on their stashes, then there's a competition for the geography that they need to occupy to sell their drugs. and then from that violence has erupted. >> reporter: with the trials of those six police officers into next year, davis says that he will treat a protest like a protest and a riot like a riot. scott, that is something he says the department did not do seven months ago. >> jeff pegues in baltimore. jeff, thanks. in the presidential campaign hillary clinton made news today when charlie rose asked her whether u.s. combat troops should join the fight against isis in syria and iraqaq >> i agree with the president's point that w wre not putting american combat troops back into syria or iraq. we are not going to do that. this fight -- >> under no circumstances would you not do that?

conceive of any circumstances where i would agree to do that because i think the best way to defeat isis is, as i've said, from the air, which we lead, on the ground which we enable, empower, train, equip, and in cyber space where don't forget they are a formidable adversary online. so what i want to say is look, we don't know yet how many special forces might be needed, how many trainers and surveillance and enablers might be needed but in terms of thousands of combat troops like some on the republican side are recommending, i think that should be a non-starter. >> it was a wide-ranging discussion. don't miss it tomorrow on "cbs this morning." do more americics shop ononne or in stores? [cough, cough] mike? janet? cough if you can hear me. don't even think about it. i took mucinex dm for my phlegmy cough. yeah...but what about mike?

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today, cyber monday, is expected to be the biggest

more than 121 million americans planano shop from home and work. our cbs news business analyst jiji schlesinger is with us. jill, how big a day was it? >> it's going to be pretty big. we're looking at probably $3 billion in sales, according to adobe digital. now, if we get there, it would be the largest online day of shopping ever. we have some early results from midnight to 10:00 a.m. it was pretty amazing. 50 million visits to 4,500 websites in the u.s. those online shoppers spspt about half a billion dollars. that's up about 14% from a year ago in that same time horizon. these numbers are going to get bigger. >> are we getting to a point where more people are going to shop online than actually go into a store? >> i think eventually. but today absolutely not. if you look at the recent data from the commerce department, we

for somewhere in the vicinity of 15%, 16% of total sales. maybe we'll drift up to closerer to 20%. but you know, for now people still nt to be in a physical location and spend their dollars there. >> i understand some of the retailers couldn't handle the traffic today. >> yeah. this was pretty wild because over the last few days outages at very big retailers like nordstrom or victoria's secret, this morning a big outage at target. paypal down for a while. so technology not always perfect. i think the good news here is with the advent of apps and information we're smarter, we're better consumers. and the reality is we can now combat those algorithms that are targeting us so beautifully by being informed. >> business analyst jill schlesinger, thank you very much, jill. an olympic champion has

her story, just ahead. royal watchers are enjoying a new look at britain's youngest princess. charlotte, the dauauter of william and kate, the duke and duchess of c cbridge, is nearly seven months old. mom took the pictures. today olympic champion amy van dyken rouen celebrated a big breakthrough. she walked. the six-time gold medal swimmer posted this video, calling these strides without upper body braces a huge step. van n ken rouen's spine wawa severed nenely two years ago in n

and we'll be right back. woman: what does it feel like when a woman is having a heart attack? chest pain, like there's a ton of weight on your chest. severe shortness of breath. unexplained nausea. cold sweats. there's an unusual tiredness and fatigue. there's unfamiliar dizziness or light-headedness. unusual pain in your back, neck, jaw, one or both arms, even your upper stomach, are signs you're having a heart attack. don't make excuses. make the call to 9-1-1 immediately. learn more at womenshealth.gov/heartattack. while i was on a combat patrol in baqubah, iraq, a rocket-propelled grenade took my arm off at the shoulder. i was discharged from the army, and i've been working with the wounded warrior project since 2007. warriors, you don't have to be severely wounded to b bwith the wounded warrior project. we do have a lot of f ys that have post-traumatic stresdisorder. being able to share your story, i guess it

what did happen over there. my name is norbie, and yes, i do suffer from post-traumatic stress disorder,

after cyber monday comes giging tuesday. michelle miller tells us that a lot of folks are getting into the spirit. >> that's the number of complete applications we have. >> reporter: at the giving tuesday command central in new york city volunteers are gearing up for tomorrow. so giving tuesday started right here at the 92nd street y? >> yeah, that's right. >> reporter: henry timms is the y's executive director. three years ago o came up with e campaign. >> we neveveneeded more than six words. it was always black friday, cyber monday, giving tuesday, and peop would really say yeah, i think that's a good idea. >> on giving tuesday everyone

>> reporter: his idea was simple. after several days of shopping he wanted people to refocus on giving. to any charity or purpose they wanted to. he asked others to help. >> they jumped right on the bandwagon. >> it was an amazing thing to see that actually all over the country people started to bring their own ideas to giving tuesday and started to grow it. >> reporter: the movement now has 40,000 partners worldwide and raised more than $86 million. >> you'll see these letters that the kids have written to their donor. >> reporter: charles best runs donorschoose.org, a charity which matches teachers' wish lists to donors. >> what's great about giving tuesday is people can be supportive, can be generous in any way they see fit. they can give of their time. they can give of their money. >> ready. >> reporter: genein letford teaches mumuc in the los angeles areaea she received dozens of instruments from the giving tuesday campaign. >> the cool thing is it's not just about bringing the materials into the classroom and

opportunity, but it's connecting the community to our schools. >> at a time when we feel like the most public conversations are about things which threaten us or things that divide us, how valuable is it to have a conversation about something that unites us? >> reporter: a day expecteteto bring many thanks after much giving. michelle miller, cbs news, new york. that's the overnight news for this tuesday. for some of you the news continues. for others check back with us a little bit later for the morning news and of course "cbs this morning."