it's relationship to earth. the geological property of the earth.he physical nature of the universe. to discover the effect of the biological makeup of space and its effect on earth lifeforms and to search for and analyze extraterrestrial life. to develop experiments for manned spaceflight, analyze the capabilities of trained astronauts as sensors and evaluators. to provide pre-doctoral training for scientists and engineers and grants for space science research projects in laboratory facilities to best use university research for the national space effort. to develop and manage launch vehicle systems upon which reliable transportation to space depends. to conduct research and development on meteorological and satellite systems. to develop and apply technology to other practical satellite applications, such as communications and navigation's. in april 1965, and a compliment into medications was the turnover of -- for years. -- cincom one and centcom to to the department of defense. the basic data plan for them has been largely collected. launched in

now, let's watch another "earth focus" report. cold rush looks at the opening of the arctic region as climate change melts the northern ice pack, leading to a new russian-american competition for shipping lanes and poile-gas exploration. -- and oil-gas exploration. only here on viewer-supported link tv. >> today on "earth focus" the global consequences of a changing arctic. coming up on "earth focus." >> having traveled to the arctic region it's really hard to describe the experience. of standing and looking out over miles and miles and miles of ice floes as far as the eye can see. a majesty unparalleled. on the planet. >> at the northern most part of the earth the arctic covers over five million square miles. and includes parts of the u.s., canada, greenland, iceland, norway, sweden, finland, and russia. >> the arctic is very, very different depending on where you go. even within individual countries. you might have a very developed aspect. in the arctic and then you might have underdeveloped areas. >> this is a place where with

here is earth. most of the time, the darkness hits earth, there is only single cell life. are randomly coming upon planets and earth is any measure of things -- we spend 3.5 billion years as single cell life on earth. that we have an explosion of life. the chemistry of the atmosphere changed. oxygen is like rocket fuel for complex life. life now has the launch to become complex. the system could support it. now you have limbs and detectors like eyes and sensors. it is a stunning development. then you have complex life. that is a smaller piece of the total timeline. where will you find intelligent life? we only know this little bit that we define as intelligent. there are planets we could land on. who is to say we will find what we call intelligent? maybe the planet has conditions that are specially right for complex life. if they did, they would have billions of years to develop intelligent life. if that is the case, it is quite clear to me that if they are observed us and landed here and looked, it would be clear to them that there is no sign of intelligent life on earth.

you have the time line of the earth, earth is born, and this is today. that is four and a half billion years. now put this planet out there, and some planets are born yesterday, some were born at the beginning of the universe. you don't know when in the time line of a planet you are going to land there. so here is earth, throw a dart at the time line. most of the time the dark hits earth there's only single celled life. >> rose: wow. >> and so if we are randomly coming upon planets and earth is any measure of thing. >> rose: single cell like an amoeba. >> yeah. we spent three and a half billion years as single celled life on earth. and then we have something called the cambrian explosion of life, the chemistry of the atmosphere changes, the atmosphere, like rocket fuel for complex life. and life now has the cart blanche to become complex because the system can support it. and now you get limbs and detectors like eyes and sensors. and it is a stunning development in the fossil record of life on earth. and so then you will have complex life. now ask, so th

in the process, they contributed to a better world here on earth. they assured america would lead the way. we owe it to them and to our nation not to abdicate our nation's role as the leader in space exploration. what they began, we are summoned to continue. thank you. [ applause ] >> ladies and gentlemen, the administrator of the national aeronautics and space administration, mr. charles bolden jr. >> mr. speaker, mr. reid, mr. mcconnell, ms. pelosi, members of congress and honored guests, as we embark upon a next chapter of human space exploration, we stand on the shoulders of the extraordinary men we recognize here today. those of us that have had the privilege to fly in space follow the trail they forged. america's leadership in space and the confidence we can go farther into the unknown and achieve great things as a people rests on the achievements of these men. when 50 years ago this year president kennedy challenged the nation to reach the moon, to take longer strides toward a great new american enterprise, these men were the human face of th

where they are going is the mantle which is 85% of the earth so the largest part of the earth we know nothing about. part of the ocean where the trust is thin enough, you can actually sort of get a head start and drill down into an area of the earth where you get pristine samples that haven't seen light since the earliest days of the solar system. >> they started this in 1961 and got down pretty far but stopped. what happened? >> they had attack breakdowns. so funding dried up. >> we lost interest? >> we lost interest. it was guys in silver pressure suits or roughnecks on drill boats and there was no competition. >> we have had other samples of the crust before. what is different? >> we haven't actually gotten down to the mantle. we have gotten close. and what they have gotten to on this first expedition, this first round this time was about 2,300 feet down which isn't bad because if you can get 1.6 miles so they have gotten closer than ever before and already they brought. the largest piece of crustal material so they are lorng more about the trust as well. >> what are we hoping to f

a mass of earth quake in chili a deadly storm which reached japan 24 hours later. this from an earthquake a thousand miles away was a revelation and it gaves researchers there an idea. >> the idea is that a tsunam i comes from another place, and you don't know where >>> brian atwater is a geologist. >> in the aftermath of the disaster, japanese experts said what other ones do we have in our history that came from peru or chili >>> when the reckoning was finished there was one tsunam i with no match, one in january 1700. searching for the earthquake which caused that or fan tsunam i researchers looked to the pacific north-west. >> this is probably the most distinct >>> there they found irrefutable geological proof in a cross-section of marsh land. >> the soil of an marsh down here, then sand mutt layers like that-- mud layers like that. each of these are interpreted as a wave in the train of the evening of 26 january 1700 by the japanese dating >>> there's one more clue from the 1700 earthquake and tsunam i. a piece of evidence pointing to the zones ability to produ

recognized religious favorite on earth -- favorite on on earth -- faith that condones blackmail. on e's no religious faith earth that condones the sustained abuse of innocent people. >> from the beginning of debate there was an impressive display unanimity among the delegates reflecting opinion throughout the world. mauritius.e from >> flagrant violation of conventions law and treaties and diplomatic ractice dating from time immemorial cannot, must not, by the be tolerated international community. >> the preservation of a tradition order that might be broken. the tradition has its basis in and in the customary laws of western and islamic peoples peoples. also specific laws have been agreed upon in treatying signed nations. louis g. fields jr. legal the state department is a lecturer and writer on international law. the basic convention that applies in the situation in iran and takeover of the american holding of its members of its mission staff the vienna f course convention on diplomatic relations. was a convention which was for the ed in 1961 convocation of customary in the fie

it into god to see the earth from space. probably a lot of you have seen photos of grand canyon and thought, this is pretty great. you stand there, and it does not compare to this grandeur. challenge -- it is truly a challenge to describe as it is. here is my shot, a description, one of the most beautiful sights you can see from space, and that is the sunset. the 45 minutes of my orbit days, i was treated to another space flight of breathtaking beauty that would challenge the most gifted poet. raced eastward, behind her the sun plunged towards the western horizon. beneath me, the horizon that separated the light from the deeper black of night began to the ocean blue. high clouds over the terminator glow tangerine and pink in the final race of the sun. discovery entered the shadow world and i turned my head to the back windows to watch the sun dipped below the horizon. it's light was now being split by the atmosphere. an intense color spectrum 100 times more brilliant than any rainbow seen on earth formed in an arc to separat

he firmly believes that the earth is flat.ove it, and he says he has photographic evidence and that we've been fooled all this time. ( laughter ) >> larry: you know, the first time i heard "nothin' on you" i definitely thought, this b.o.b guy, he is the one to finally take down that asshole aristotle. take him down. seriously, these tweets are amazing. "the horizon is always eye level." "once you go flat you never go back?" "where is the curve?" b.o.b., if you're looking for the curve, you gotta call sir mix-a-lot. ( laughter ) that is a man who didn't deny science. he did not. am i right? i'm not lying about that. anyway, this thing went viral, and even world renowned super scientist and friend of "the nightly show" neil degrasse tyson got involved and refuted some of b.o.b.'s retrograde nonsense, which prompted b.o.b. to release a diss track called "flatline." here's a taste. ♪ neil tyson need to loosen up his vest ♪ they'll probably write that man one hell of a check ♪ flat line, flat line you got me once but that died, aye

we saw planet basketball looking earth.he worlds is -- the earth is rounds. >> we had people in school, there were books that showed pictures. >> saying no, this is something he needs to know. >> all right, explain the picture then taken from the moon. >> yes? >> back at earth, it looks rounds to me. >> even during the snowstorm. not like one crazy person trying to sell thus round thing. >> maybe someone went on photo shop and mid it round, really flatted, then they said hey this is earth. >> are you defending bob? >> bob. >> maybe it is flat? >> not lounge. that's weird. >> yes. >> apparently they've been going back and forth. >> yes. >> you know the guy who used to hossa show on fox on sunday nights i think it was, that astrophysicist dude, kneel. >> yes. >> now they they've got mean it. >> he said flat earth is a problem only when people in charge think that way. no lawsuit stops from re greg i havely basking in it. >> that's how he talks. no one understands what he is saying. >> nerd alert. >> now though he has toned it

we have changed the course of earth history, and the pattern of strata on the earth.hile there can be many possible types of reasons for -- for having that. at the moment we're simply saying that the earth has changed and the strata has changed too. >> if there is acceptance of this term, will it finally force people to recognize the impact, and perhaps reduce the impact that we have on our planet? >> it probably will help in that, because what the term does is it gathers together evidence of a wide range of different changes, most of which is usually examined just by themselves, but in this case, we're looking at a total range of change, and also comparing that to some of the very big changes of the past. so i think that will provide quite a perspective on what humans are doing to the earth. >> are we talking about a change of the environment or complete destruction of it. if we look at the evidence, the future doesn't look like a particularly bright place to be in? >> well, we can say some of the changes are not good for earth or the species. so the habitat destruct

they're trying to figure out what on earth it would take.i called around to a couple dozen poll respondents they all said, yes, we really like both of them for various reasons. they had to reuters -- two words, not ready. >> we learned years ago when senators sanatorium was narrowly onning the iowa caucuses caucus night, a lot can happen in the next 10 days. jennifer: that is exactly it, it is always the dream of being on front runners that only they will hit this last-minute jackpot in iowa and they will get all of the favorable press that will give them momentum as -- head tonto the south carolina. we have seen it, huckabee had a big lead. rick santorum, days before the caucus vote in 2012, pulling picked up three days before the vote that rick santorum was searching. the finished 34 boys -- votes ahead of mitt romney. of thesesee all candidates in iowa at the last minute saying, we know that voters decided to the last minute. i can still win. they are all thinking that. even the people at the bottom. we did have a 21 point lead this cycle

to protect the earth against asteroids. ♪ >>> this is al jazeera america live in new york city. del walters. president obama is set to deliver his last state of the union address tonight before a joint session of congress. he is expected to look ahead at the big issues facing his last year in office. courtney keeley is live for us in washington, d.c. and courtney what domestic issues is the president expected to talk about? >> reporter: well, del, there's a whole host of issues that he is going to address. immigration, prison reform, same-sex marriage. he released a youtube video, the white house did, where he previewed his speech. it will be an upbeat tone. you will see a happier president than you did when he announced the executive action on gun control for instance, and you saw tears about newtown. what you will see tonight will be a empty seat in the first lady's guest box that signifies all of those people who died in gun violence. it represents the voice they no longer have, and that will be very memorable tonight, del. >> and about what foreign policy? >> i smile, del, b

earth closer to the sun. average distance is only 92 million miles away. now that may seem confusing. but the seasons are a result of the tilt in the earth's access, not the proximity of the sun. >> frank: carolina is looking dead in the water against that's coming up next in sports. >> stan: north carolina trying to get off to a fast start in acc play. carolina and georgia tech. the jackets made them sweat at the smith center today. whoa! nobody stopping that. adam smith was hohot. six three's and 20 points. carolina starts to bounce back in the second half behind johnson. marcus paige makes a nice move inside. johnson kept hot all night long. really, he was a stud in there. watch him take it up and in. joe berry had the game of a lifetime. tar heels win it 86-78. >>> nc state starting acc on the road against virginia tech. they had a five game winning streak against the hokies. tech comes back to stun the pack. nc state had it going. caleb scores three. kat barber drills one from same spot almost. hokies come roaring back. up three. he scores 23. pat got

every other country on earth can do it, i think we can as well.hen we talk about the economy, we talking about job creation. when youth unemployment is higher than 10%, in my view, we need a massive federal jobs program to put our people back to work. we should be hiring teachers, not firing teachers. when we have a dysfunctional child care and pre-k system, which for many families is not affordable and where childcare workers are earning minimum wage or a little bit more, we need to create hundreds of thousands of jobs for well-trained, well-paid childcare workers. and when we have an infrastructure. roads, bridges, water systems, wastewater plants. i'm not just talking about flint, michigan. i'm talking about municipalities all over this country where water systems are leaking and in bad trouble. we need to rebuild the rail system to catch up with europe and japan and china. we can create 13 million decent paying jobs rebuilding our infrastructure with a $1 trillion investment and i intend to make that investment. people say that's a great idea

. >> it is 100% guaranteed that an asteroid will hit the earth. >> creating a new office of planetary defense to protect against falling as steroids. president obama will deliver his last state of the union address tonight, appearing for the last time before that joint sex of congress mes expected to look ahead from gun control, and immigration, to keeping america safe. al jazeera is live in bashed, and courtney, tell us about the domestic issues the president is expecting to actress. >> kim davis, the clerk that refused to sign, certificates has been invited in the audience. which is tweeting and confirming that she will be an attendance, now those are not -- that issue same-sex marriage is something that pam will address in his domestic issues he will address a lot of things. one of his guests will be an actual empty chair, that will be in -- by the first lady's guest box. that empty chair is to signify gun violence that will be one of the more pointnant moments of the night, that will take it out of any advicive dialog. what obama has said that was released in a youtube video is th

. >> reed: experts unveiling new numbers today when it comes to the temperature on earth last year. what they're now saying about that year coming up. >> marie: what would you name the moon? there's a push to give the moon a name like all the other moons we'll have that in "the buzz." i'm caridee. i've had moderate to severe plaque psoriasis most of my life. but that hasn't stopped me from modeling. my doctor told me about stelara it helps keep my skin clearer. with only 4 doses a year after 2 starter doses... ...stelara helps me be in season. stelara may lower your ability to fight infections and increase your risk of infections. some serious infections require hospitalization. before starting stelara your doctor should test for tuberculosis. stelara may increase your risk of cancer. always tell your doctor if you have any sign of infection, have had cancer, or if you develop any new skin growths. do not take stelara if you are allergic to stelara or any of its ingredients. alert your doctor of new or worsening problems including headaches, seizures, confusion and vision problems.

there is no recognized religious faith on earth that condones kidnapping. there is no recognized religious faith on earth which condones blackmail. there is certainly no religious faith on earth which condones the sustained abuse of innocent people. >> from the beginning of the debate there was an unprecedented display of immunity among the delegates. >> they cannot, must not, will not be tolerated. >> the preservation of international order, a tradition that might be broken. the tradition has its basis in history and in the customary laws of western and islamic peoples. specific laws have been agreed upon and treaty signed by nations of the world. legal advisor to the u.s. state department is a lecturer and writer on international law. >> the basic convention that applies in the takeover of the american embassy and holding its mission staff hostage is of course the vienna convention on diplomatic relations. it was a convention promulgated in 1961 for the convocation of customary law and the field of diplomatic immunity and commerce amongst nations. >> no n

every other country on earth can do it, i think we can as well. when we talk about the economy, we're talking about job creation. when youth unemployment is higher than 10%, in my view, we need a massive federal jobs program to put our people back to work. [applause] we should be hiring teachers, not firing teachers. [applause] when we have a dysfunctional child care and pre-k system, which for many families is not affordable and where childcare workers are earning minimum wage or a little bit more, we need to create hundreds of thousands of jobs for well-trained, well-paid childcare workers. [applause] and when we have an infrastructure. roads, bridges, water systems, wastewater plants. i'm not just talking about flint, michigan. i'm talking about municipalities all over this country where water systems are leaking and in bad trouble. we need to rebuild the rail system to catch up with europe and japan and china. [applause] we can create 13 million decent paying jobs rebuilding our infrastructure with a $1 trillion investment and i intend to make

. >> american scientists sounding the alarm about the earth's climate in 2015. the dangerous impact it had across the u.s. and the world. plus. >> you don't regain trust within a matter of seconds because a statement was made. >> political anger and blame in flint michigan, and the financially strapped city's water supply. >> a newly discovered planet in our solar system. wednesday's wall street selloff isn't having much of an impact on asian markets what are mostly up on what's thursday there. the dow fell more than 250 points but for a while it was much uglier, down over 500 points. many blame falling oil prices for the drop. crude oil dropped to its lowest level in nearly 13 years. john terret joins us and expectations are that prices are going to keep dropping. >> i think that's a safe bet, antonio, especially that iran is going to start pumping with international sanctions lifted and that will add to the glut of oil in the world and that's driving the price so low right now that it risks the global economy that's the problem. >> falling oil prices and no en

have more assets than the poorest 3 1/2 billion people on planet earth. so 62 people is about the first eight rows here, ok? those people, more money -- it's as if every one of them had won the powerball two weeks ago. that's it. that's all the money -- that's not a sustainable world. you can't keep it together like that much longer and you definitely can't keep the world together in the face of the other problem that he's been talking about, climate change. we found out yesterday, as we suspected, that 2015 had been the hottest year ever measured on this planet and not by a little, by a lot. and we're all starting to sense this. in burlington it was 68 degrees on christmas eve, ok? and it felt weird and spooky and not right at all. but all over the world now the consequences are feting so real. the story that's been hahning me all week in the newspapers, and i don't know if anyone else has been following this yet but it's this emerging disease in south america and latin america called zika. a mosquito-born disease that spreading ratchedly because of the

they're the largest organisms on earth and they are ancient. after four years of draught and the warming effects of climate change, scientists are worried about their future. at roughly 2500 years old, this one is older than his tenity. it is more than 24 pa feet tall. scientists are going to go up. a team from burkley. he climbs to the top of these trees to test them for signs of stress. he has been doing this for 20 years. this is my first time. i have a new respect for the itself. >> you can feel the weight of history in the weight of this tree. it's extraordinary to be here. warmer temperatures mean the water. >> a typical tree of this size might use anywhere between fooich and 800 gallons of water in a single summer day. >> reporter: snow pack that provides water is now at a 500 year low. >> the sugar pine seems to be suffering a lot of more at allity that we've seen. another pine as well. the cedar has been going back to a rate that people in the park have never seen before. >> reporter: it was by far the scareyest thing i've done. i've n

but this campaign is about the greatest show on earth works . >> i kind of miss them. i wish he was here. >> he wasn't so the debate moves on to other matters like national security and immigration. ted cruz was accused of flip-flopping on amnesty. >> everyone is for mc except for ted cruz but they falseness.it's an authenticity problem. this is a lie that ted's campaign is built on. >> margot made the choice for major donors to support it was politically advantageous. what a way to stop the washington bowl and get income. >> fox released this statement trump offered to appear at the debate on the condition that they contribute $5 million to his charity. we explained it was not possible and we cannot engage in a quick world quote or could any money changed hands. we kept two issues in the forefront. we would never compromise our journalistic standards and we would always stand by our journalist. >> think you, robert. there is a new development this morning. lauren spear . fbi raided a home in the miles south of indianapolis. sources say person used to live there may be

. >>> scientists are working on a plan to save planet earth from asteroid collisions.s one of a kind mission that will attempt to push the giants objects off coarse. gabriel elizondo reports from new york. >> reporter: russia, february 2013, an asteroid cuts the sky -- [ explosion ] >> reporter: -- terrifying local residents, and reminds the rest of us that eventually one with our name on it could be coming our way. with that in mind, these two scientists from nasa and the european space agency are putting their considerable brains togethers. their humble mission, to save the planet from a district hit that could wipe us out. they call it the asteroid impact and deflection assessment, it has its sights on two asteroids. neither is expected to hit earth, but they will be used as target practice nonetheless. nasa's craft aims to crash into the moon, and push it in another direction. >> an asteroid is a very large -- it's almost the size of the mountain, and we hit it with a spacecraft and only make a tiny change in the velocity, but over time that's the difference betwee

you know that something catastrophic in fact could happen to our earth-- not our country, our earth, our universe-- at any moment. >> yeah. >> hinojosa: you walk around with that. >> sure. you know, we are not really that important sort of in the cosmic, you know, big picture. planets come and go. and, you know, humanity is not really such an important element in the makeup of the universe. so we could easily disappear without anything important happening. >> hinojosa: that's so hard to hear. but do you believe that there is life beyond? >> well, you know, we have never... we have not found it. but i find that it would be more extraordinary if we really, truly were alone. because you look at the... you know, the stars in the sky, and the more you find, you know, the tremendous amount of stars and planets around these stars, we are not in the center of anything. we're not in any special place. we live in a very sort of unimportant corner of our galaxy. and there's no reason why we would have to be the only ones that exist here. so i have a feeling that life outside of the earth is mor

and not hitting the earth.european spacecraft will collect the data, building the no how to replicate the mission when it is needed for real. currently scientists don't see any such asteroids headed our way for another couple centuries. so what is the rush to knock it off path? >> we want to have the capability to do this as soon as possible, because we know these things are out there, but to find all of the things that are potential threats is a very big goal, but now this particular mission is to go the next step, which is something very, very important which is what are you going to do about it if something actually has your name on it. >> reporter: for now the project is still in the theoretical stages. gabriel elizondo, al jazeera, new york. ♪ >>> global markets eke out of marginal gains despite more dismal economic news coming out of china. >>> the fate of nearly 5 million illegal immigrants now in the hands of the supreme court. >>> michigan's governor preparing for his state of the state address amidst

people talk about rare-earth elements, rare earth minerals. you think rare, what exactly does that mean? why do i need them? what do we use them in? rare earth elements make all of these things possible. you talk a lot about how we're going to move to more renewable energy sources. well, for your wind turbines, you're going to need rare earth elements for those turbines. you're going to need if for your solar panels. you're going to need it for your rechargeable batteries. you're going to need it for your hard drives and import phones and screens on your computers. you will need it for your digital vawms, defense applications, audio applications. that's just what we put on this particular chart. it's important to recognize that so much of what allows us to do the good things that we do to communicate, to help defend, to help power our country come to us because we have access to certain minerals. according to the national research council, more than 25,000 pounds of new minerals are needed per person per year in the united states to make the i

some people do not believe that the earth is getting warmer. we have a lot of measurements to try to determine that. the question is what exactly is causing this and how does that impact our weather in the long term as far as the climate change. lots of studies. the truth is you do have major weather events because of global warming. >> that's right. >> if you add more heat to the atmosphere, then you can get more moisture and you can get bigger storm systems and the storm track can change altogether. >> not necessarily warmer. >> before we move on, there is no debate that last year was warm. >> that's right. >> the -- there is debate about what causes it. the fact is it was a warm year. >> and more warm air can change storm patterns. >> we'll keep tracking it for you. victims are getting much needed help thanks the a christmas gift mix-up. it started when a woman ordered new shoes for her husband from the online retailer. the wrong shoes were delivered, so she called customer service. not only did they fix the problem, they told her to give th

at the same time as we have more childhood poverty than any other country on earth. don't tell me that we have to maintain a crumbling infrastructure. don't tell me that we cannot address the fact that the wealthiest people in this country often pay and effective tax rate lower than what you pay. [applause] when we stand together, there is nothing would cannot accomplish. that is what this campaign is about, and that is what a sanders administration is about. thank you all very much. [applause] thank you. [applause] >> thank you, thank you, you are going to win. ♪ >> you are giving me a lot of hope. i'm from vermont, my family is from vermont. >> thank you very much. >> my daughter and i worked on your campaign. we really need you. thank you. >> my name is jane. >> 0k. >> hello, how are you? how are you? >> i got it. thank you. >>> i feel like i have to get out of here. >> thank you. >> here is a look at some of the democratic ads for -- the ads for democratic presidential candidate. ♪ bernie sanders: i'm bernie sanders, and i approved this message. today, senator ti

when we are still on the dark side odf the earth, outsideurn started to turn pink. it was a nice soft pink about ike t like these exit signs that you see on the site.n't abi it wasn't a big fiery kind of reentry.it it was a nice soft glow, but iti was obvious it was a little ware outside on the nose of the the vehicle. ca then daylight came and youthe pa couldn't see the pink anymore. we got to be less than box elder john took over and did a couples of role overseas to amake sure the thing was flying right. but then he brought on intointos edwards was great landing. he said my primary job is to make sure the landing gear goto in which i attempted, some people speculate, but did then down that low.ut t it was again a fantastic flight. looking back on 25 years, i think the media did a good job ofof summarizing what hasding transpired during that 25 years. it's allowed us to do some fantastic things. and i know that we will get the thing flying again this summer i emd it's going to continue withs you some of thebl international space station. it certainly hope that we

>> today on "earth focus"... restoring the earth, shaping the future. john liu on solutions from china, ethiopia and rwanda. coming up on "earth focus." [drumming] >> this is china's loess plateau. until recently, this was one of the poorest regions in the country. a land renowned for floods, mudslides and famine. but with the fanfare comes the hope of change for the better. my name is john d. liu. i've been documenting the changes on the plateau for 15 years. i first came here in 1995 to film an ambitious project where local people were constructing a new landscape on a vast scale. transforming a barren land into a green and fertile one. the project certainly changed my life, convincing me to become a soil scientist. the lessons i've learned in the last few years have made me realize that many of the human tragedies that we regularly witness around the world, the floods, mudslides, droughts and famines, are not inevitable. here on the loess plateau i've witnessed that people can lift themselves out of poverty. they can radically improve their environme

cany other country on earth do it, i think we can as well. when we talk about the economy, we talking about job creation. unemployment is higher than 10%, in my view, we need a massive federal jobs program to put our people back to work. we should be hiring teachers, not firing teachers. when we have a dysfunctional ,hild care and pre-k system which for many families is not affordable and where childcare workers are earning minimum wage or a little bit more, we need to create hundreds of thousands of for well-trained, well-paid childcare workers. and when we have an infrastructure. bridges, water systems, wastewater plants. i'm not just talking about flint, michigan. i'm talking about municipalities all over this country where water systems are leaking and in bad trouble. we need to rebuild the rail system to catch up with europe and japan and china. we can create 13 million decent paying jobs rebuilding our infrastructure with a $1 trillion investment and i intend to make that investment. people say that's a great idea but it's an expensive

. >> scientists say humans could become extinct for an asteroid were to hit earth. describing it as staggers based on first hand evidence from victims the u.n. says at least 18,000 civilians have lost their lives in the conflict, between the start of went 14 and october 2015. the report provides details showing at least 3.2 million people have been displaced, it says an estimated 3.5000 civilians are being held as slaves by isil. most of them from minority communities. al jazeera is in baghdad and has the late nest the situation there. >> a new u.n. report pointing to a staggering number of civilian lives that are lost because of the crisis in this country. the latest u.n. report points to approximately 19,000 civilians who lost their lives between january and october of 2015, because of the conflicts throughout this country. now in addition to that, the report points to 3.2 million internally displaced people in iraq of that number one. >> of them are children. it is a dire crisis that has only gotten worse, and because they have taken up so much territory, but als

nigel: 2015 was the warmest on earth ever. according to nasa and noaa scientists, the earth's temperature broke the record by 0.23 degrees fahrenheit or that is the second largest yearly jump since record-keeping began in 1880. the earth's average temperature is now 1.8 degrees warmer than it was in the late 19th century. gabrielle: even the president isn't a immune from the headache of driving and snowy weather. house last night from joint base at fort andrews. a drive that normally takes 25 minutes took about an hour and 10 minutes. the president eventually arrived at the white house safely. >> now your live super doppler four hd weather forecast. john: the crews in the nation's capital better be ready to move the president through much easier, but it's not going to be easy this weekend. our storm system is going to move up the eastern seaboard, and our nation's capital is under a blizzard warning. they could see as much as two feet of snow with incrdrifts and blowing snow. for us, it's going to be liquid precipitation comin

this project has a very important message and it is about our earth and what we are losing and what we are missing and what we don't even know is gone. >> so, what is missing is starting with an idea of loss, but in a funny way the shape of this cone is, whether you want to call it like the r.c.a. victor dog, it is listen to the earth and what if we could create a portal that could look at the past, the present and the future? >> you can change what is then missing by changing the software, by changing what is projected and missing. so, missing isn't a static installation. it is an installation that is going to grow and change over time. and she has worked to bring all of this information together from laboratory after laboratory including, fortunately, our great fwroup of researche e-- g researchers at the california academy. >> this couldn't have been more site specific to this place and we think just visually in terms of its scupltural form it really holds its own against the architectural largest and grandeur of the building. it is an unusual compelling object. we think it will dra

./// ((michelle mortensen)) > just how in the world did the earth get it's moon?... nasa scientists say they have an idea. and there clue comes from something the appolo astronauts found 40 years ago. ./// now, nevada's first choice for news, this is 8 do you think when you are president you'll be paid as much as if you were a man-male...? this is one of the jobs where they have to pay you the same. but there are so many examples where that doesn't happen. i'm going to do everything i can to make sure every woman in every job gets paid the same... ...as the men who are doing that job. i'm hillary clinton ((michelle mortensen)) > moon rocks brought to earth by the apollo astronauts more than 40 years ago.... are giving nasa scientist new clues about the origins of the moon they've been studying those rocks and say they have strong evidence now that the moon was formed from primordeal earth, and not from another planet that crashed into earth as they have previously theorized. the findings are published in the newest edition of the journal "science"./// up

what does that tell you about what is happening with the climate, with the earth's temperatures?> we see heating of the pacific ojs, the indian, the atlantic ocean. the amount of heat held in the oceans is huge. and it's something that has been growing continuously. >> as the oceans temperature rises, it's taking less and less to tip the earth's coral reefs over the edge. >> this is only the third time that we have seen what looks like a global event. >> the third time ever. >> the third time ever. >> by around the mid part of the century, as much as 90% of the world's coral reefs may be seeing the temperatures that can see coral bleaches every single year. >> can they recover? >> when this happens every year, no. >> aitken had a glimpse into a possible future when he cove to inspect a coral reef in 2010. >> if there is anything that i could wipe from my memory, it's what that reef looked like. you see coral, and it's white. everything is white all over. got down looking at the reef, watching the fish. the fish were stunned. some of the corals were dying at that point. the differ

in fact, every major country on earth guarantees healthcare tohealth care to all of their people. we do not. i have been criticized for this, butthis, but let me be honest and clear with everybody in this room. yes, iyes, i do believe that health care is a right of all people, not privilege. [applause] and yes,yes, i do believe that we should move to a medicare for all single-payer program. [applause] now, i am on the committee that helped her idea for the care act. i helped write it and vote for and i am proud of the many accomplishments that the affordable care act brought about. before the aca private insurance companies had this obscenity of pre-existing conditions. which meant that if you were a person who had known us they would not ensure you for that illness. that isis like getting fire insurance ask if they want to assure you if you fire. totally absurd, totally crazy. we have added almost 18 million more americans into the ranks of the insured. we should be proud of that. [applause] he have gone a long way to end discrimination against women who previously had to pay mor