suicidal thoughts. new details emerge about the man accused of crashing germanwings flight 9525. marathon negotiations intensify as the deadline for a nuclear deal with iran looms. and jaw-dropping video shows a fire-fighting plunging through a burning roof.

a big welcome to our viewers in the u.s. and around the world. we're your anchor team for the next few hours. i'm errol barnett. look who's back. >> yeah, i'm rosemary church. thanks for joining us. this is "cnn newsroom." we begin with disturbing new details about the co-pilot of bri brief -- of germanwings flight 9525. >> authorities say andreas lubitz deliberately crashed the plane into the ground. now a german prosecutor says lubitz once suffered from suicidal tendencies and underwent psychotherapy. this was before he received his pilot's license. a spokesman for the prosecutor's office says though there's no evidence that lubitz was suicidal right before the crash. >> another new detail, a government official familiar with the investigation says lubitz had sought treatment for vision problems, but a doctor told him there was nothing wrong and that it was all in his head.

chrissy yates joins us via scape from bolton, england. he is the principal of yates consulting and an expert on aviation safety and procedures. thank you for talking with us. so chris yates, the world has, of course, been horrified by this apparent mass murder suicide perpetrated by a co-pilot, someone people would trust. what changes need to be made to ensure this does not happen again, specifically when it comes to the psychological testing of pilots? >> well, evidently there are a number of changes that need to be done. and one of those change, of course, is to improve the honor system that pilots work by in which a great deal of trust is placed on the pilots to report any psychological psychometric

problems they may have. >> that's the problem because clearly self-reporting of suicidal tendencies and other psychological issue, that's not sufficient. it's unlikely that someone's going to report those if they're going to lose their job. >> it's unlikely. that's why i think with such jobs as airline pilots, there needs to be a reporting mechanism put in place from the medical professional to the airline or the regulator to report fwhoin does present themselves with such conditions. >> so let's look at the doctors here because what onus should there be on doctors to report any knowledge they have of psychological problems that could put other people's lives in jeopardy? and of course, this case in point. >> at the moment, of course, particularly in germany, there has been no reportage necessary

from the medical professional. it's going to have to change in some way to bring this into line with the norms that we would expect. >> all right. chris yates, thank you very much for joining us and sharing your knowledge on this. we certainly appreciate it. errol? iran and six world powers, we understand, are talking one again this hour. the deadline is fast approaching. they're hours away from a self-imposed deadline to reach an agreement on tehran's nuclear program. some u.s. lawmaker are threatening to slap on more sanctions against iran if a deal is not reached by midnight local time. michael holmes reports. >> reporter: u.s. sanctions against iran date back decades and include a ban on oil, weapons, and, of course, anything that might further iran's nuclear program.

the long list essentially cuts off trade and investment between the two countries. in recent years, the united nations and the european union have joined the u.s. in pressuring iran to halt its nuclear ambitions, targeting iran's energy and financial sectors through a tightening web of sanctions. since 2006, the u.n. security council has passed six resolutions targeting iran's nuclear program. perhaps the biggest impact on iran came in 2012 when the e.u. agreed to stop buying their oil. iran's oil special report dropped dramatically, their currency plummeted in value, and their economy lost hundreds of billions of dollars. >> all told, sanctions have deprived iran of more than $200 billion in lost revenue. >> reporter: the sanctions don't stop this. both the u.s. and e.u. limit western firms from doing

business in iran and have increasingly isolated iran's bank, denying them access to western markets. also, millions of dollars in assets from dozens of iranian nationals, organizations, and businesses have been frozen, including top members of iran's government and military. now some u.s. lawmaker, led by house speaker john boehner, are threatening it increase sanctions even further should the nuclear deal not go through. >> if there is no agreement, how quickly will you move to further sanctions against iran in the house? >> very. the sanctions are going to come and come quick. roy >> reporter: will sanctions against iran intensify, or will they be lifted at least in part? with the deadline just hours away, it may be now or never to make a deal. michael holmes, cnn. there is no respite in the battle for control of yemen. this amateur video claims to

show a strike on an ammunition depot in the capital, sanaa. an arab league skoelgz trying to halt the houthi rebels' advance in the country. >> yemen's defense ministry says an earlier strike killed at least 40 at a refugee camp near the saudi border. we want to warn you that you may find this video disturbing because children were among the 250 people injured in the strike. they live in a group of camps for thousands of displaced ye n yemenis. it was the fifth dave of coalition air strikes, and we explain why yemen is so strategically important. >> reporter: yemen is one of the most deeply divided and poorly governed nations on the arabian peninsula. a country of unforgiving mountainous terrain and dwindling resources. its location makes it a vital interest to the region and also

to the united states. yemen itself has limited oil reserves, more than three million barrels of oil pass through aden on the coast every day. yemen's government is battling lawlessness in nearly every direction. al qaeda in the arabian peninsula established its home base in the east of the country back in 2000 with an attack on the "uss kohl" in aden harbor. 17 sailors were killed. [ gunfire ] >> reporter: recently the al qaeda branch there claimed responsibility for the deadly "charlie hebdo" attack in france. the government has also clashed with iran-backed shia rebels known as the houthis since at least 2004. once limited to the north's mountainous regions, houthi rebels now have control of yemen's capital. much of its coast, as well fighting for the strategic port of aden. oil-rich saudi arabia which shares a 1,600-kilometer border

with yemen is concerned violence could spill over into its country and affect its oil production. it's also worried that further houthi advancement could increase iran's influence in the region, and it's taking measures to prevent that. saudi arabia considers the unrest a direct threat to its own sovereignty. the saudi kingdom and a coalition of other mostly gulf nations stepped in, launching air strike and sending troops to border areas. many united nations representatives have left yemen. and u.s. and british special forces withdrew earlier this month. yemen's president fled his country last week and is seeking refuge in the saudi capital of riyadh. leaving behind a country spiraling into chaos that will have implications for years to come. linda kinkaid, cnn. still to come here on "cnn newsroom," two men dressed as women try to ram the gate at the national security agency in the u.s.

we'll tell you what the investigation has uncovered so far. a fast growing controversy in indiana. the governor stands firm against protesters who claim a new law discriminates.

welcome back, everyone.

lums in indiana are promising to -- lawmakers in indiana are promising to clarify the new religious freedom law. the governor signed it last week, and backlash exploded immediately. critics say this essentially allows the discrimination of gay people. >> in an op-ed published in the "wall street journal," the government insists, quotinquotit is anything but a license to discriminate and should not be mischaracterized or dismissed on that basis." miguel marquez with more on the controversy. in our state, no hate in our state! >> reporter: protests and anger across indiana. gays and lesbians and supporters rallying in operation to s.b. 101, the so-called religious freedom restoration act. >> i have two kids that could possibly not be served because somebody doesn't believe in me being married to another woman. >> reporter: opponents say the law could be used by businesses to turn gays and transgendered away if a business believes religious freedom is being violated. came about after indiana was

allowed to -- allowed same-sex marriages last year. some say businesses will no thinker be forced to support same-sex marriage. >> it's crazy because we just made fwoirnl legal in october. it's like one step forward, 1,000 steps back. >> reporter: indiana's governor who signed it in protest dodged whether the bill could prompt discrimination. >> yes or no? if a florist in indiana refuses to serve a gay couple at their wedding is, that legal now in indiana? >> george, this is where this debate has gone, with misinformation and -- >> just a question, yes or no? >> well, there's been shameless rhetoric about my state. >> reporter: the governor said the bill would stand, no changes. members of his own party today in the state legislature weren't sure. >> clearly there's unsettle the waters now. that could have far-ranging impact. we determined we needed to step in and be sure the waters were

calmed. if that requires a legislative clarification, that's what we're working on. >> reporter: 20 state currently have religious freedom laws on the books. some of those states also specifically protect rights based on sexual orientation. opponents say the problem with indiana's law -- it's broad. any person or business could seek protection based on religious beliefs, free of government involvement. utah has a similar constitutional amendment just introduced in the state house that would take effect in 2017. there are protests in arkansas where the governor has a bill similar to indiana's on his desk. [ applause ] >> reporter: the first religious freedom act became federal law under democrat bill clinton in 1993. it had bipartisan support and aimed to protect individuals' religious rights against government intrusion. in 1997, the states started passing their own religious freedom laws after the supreme court ruled the federal law didn't apply to them. more recent controversy over gay marriage has pushed some states

to adopt increasingly broad religious freedom protections. indiana's law has put the state in the line of fire. comedians are taking aim. >> you'll be able to tell which stores are supporting the new law because they'll have these helpful little signs. [ laughter ] [ applause ] >> reporter: cnn, indianapolis, indiana. cnn political commentator ryan lizzer joins us from new york and is the correspondent for "the new yorker." this controversy in indiana is perplexing from folks watching from outside the u.s. that state legalized gay marriage a few months ago. now a law that's being interpreted as legalizing discrimination. what does this really mean? >> a couple of things. one is the protests that you're seeing and outrage you're seeing from organized constituencies in the u.s. tells you how far the

gay rights movement itself moved in this country. 10 or 15 years ago, i don't think there would have been as sympathetic an ear for the gay americans, gay -- gay hoosiers, that's what we call them in the u.s. -- subjects to what may believe is discrimination. but there is a sense in this country now where gay rights and public opinion on gay rights and gay marriage has moved so far in the positive direction that there's a sense that this can't stand and that what you have is a sort of minority of legislators, a minority of public opinion sort of squeezing this through. and i think they were very surprised by the outrage that it caused. now look, there's a debate about whether this is -- this discriminates against gays or not. i think it clearly does. it clearly lets businesses know that if you don't want to serve a gay couple, you don't have to. there's no way to square the circle. the state either has to say that

all businesses will treaty everyone equally, or they have to allow them to discriminate against this one group. and there's no way to square that. and i think as a country, we're going to have a big debate about that now. >> you've got the final four of college basketball taking place in indiana. the entire country's attention is on this state. and as we approach the 2016 presidential election, what should we make of republicans distancing themselves from this law and smeechb of the lawmakers in indiana not defending it? >> yeah, of course, one, they were surprised by the outrage. two, republicans are in a precarious situation. the ones running for president when it comes to the issue of gay marriage. gay marriage a few years ago passed 50% support in the u.s. it's getting -- approaching 60% now. the youngest generations of americans, in the 90st. if you are in college in

america, you support gay marriage. if you're the republican party, you realize in 20 years where this issue is going to be in america. you don't -- obviously you don't want to be behind public opinion that way. i think most republicans running for president on the one hand want to appeal to conservative religious voters. on the other hand, they realize that being against gay marriage is no longer a winning platform in american politics in a general election. >> republicans don't have momentum on their side, and many describe them as being on the wrong side of history on this issue -- >> absolutely. >> we'll see how it unfolds, our cnn political commentator from new york. thanks. >> my pleasure. let's take a short break now. still to come, a national election campaign has officially started in the u.k. for the first time in a long time, a clear winner is not certain. details next.

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in just a few hours, anything to will resume counting -- nigeria will resume counting ballots. it is believed to be the close evidence race since the country returned to a democracy in 1999. this hour, reuters reports that the passion leader is ahead by two million votes. a substantial lead for the party for incumbent good luck jonathan

confident he will win. no matter which is victorious, there are concerns of post-election violence. in a little more than five weeks, there may be new leadership in the british parliament. the election campaign is officially underway in what's been called one of the tightest races in years. max foster explains how the may 7th poll is a five-way fight, and the outcome is anything but certain. >> reporter: five years after david cameron entered 10 downey street, he leaves to meet the queen to formally mark the end of his term as conservative prime minister. it could be his last audience with her majesty. hoe heaps for many more, but that will be decided by british voters. >> hereby make known to all our loving subjects our royal will and pleasure to call a new

parliament to beholden at westminster on monday, the 18th day of may next. >> reporter: ceremonial this may be, but it's appropriate height for the start of this election campaign which is shaping up to be the toughest political fight in a generation. >> in 38 days, you face a stark choice. the next prime minister walking through that door will be me or ed miliband. >> reporter: one of the key issue that divides them is europe. cameron is promising referendum on leadership. labor wants miliband to stay firmly in europe. >> if he has his way, he'll want to be inside the european union banging on the door to leave or, worse, outside the european union banging on the door trying to get back in. >> reporter: enter nigel fe are raj whose popularity has surged after his repeated calls for britain to leave the e.u. and

limit immigration. with the polls at this early stage pointing to a hung parliament, the leader of this self-declared people's army is campaigning to hold the been of power. >> our challenge is to convince people that if they want change they've got to vote for change, and only she offering it. >> reporter: the other kingmaker are the scottish parties -- [ applause ] >> reporter: and nick kle g g of the liberal democrats, the outgoing deputy prime minister. >> the conservatives saying they'll been the books through excessive cuts. the labor party saying they'll fund public services. i don't think you should be forced to choose. >> reporter: if anything defines this election campaign, it's choice. british politics no longer a straight two-party race. max foster, cnn, london. we'll get to some other big

stories next. prosecutors now say the co-pilot of the ill-fated germanwings flight was once treated for suicidal tendencies. coming up, how the airline missed morning signs about his troubled past. the promise of the cloud is that every organization has unlimited access to information, no matter where they are. the microsoft cloud gives our team the power to instantly deliver critical information to people, whenever they need it. here at accuweather we get up to

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thank you very much for staying with us. a big welcome back to those of you watching in the u.s. and all around the world. i'm errol barnett. >> i'm rosemary church. it's time to check the main stories we're following at this hour. it is deadline day in switzerland. six world powers and iran are trying to reach a deal to curb tehran's nuclear program in exchange for sanctions relief.

diplomats have given themselves until midnight to work out a preliminary agreement but say three major sticking points remain. yemen's government says a saudi air strike hit a refugee camp near the border killing at least 40 there, injuring another 250. it was the fifth day of an arab coalition campaign against houthi rebels to keep them from taking control of more cities in yemen. the prosecution has rested in the trial of boston marathon bomber dzhokhar tsarnaev. the case concluded with. it from the chief medical examiner describing the autopsy of martin richard, an 8-year-old boy killed in the blast. the defense now begins its case. theco-pilot of germanwings flight 9525 had suicidal tendencies and underwent psychotherapy before he became a pilot. that's according to a spokesman for the prosecutor's office in dusseldorf, germany. he stresses there's no evidence that andreas lubitz was suicidal right before last week's crash.

prosecutors also say lubitz recently sought treatment for a vision problem. >> the doctor said that was probably psychosomatic. randi kaye with more on that and the earlier warning signs. >> reporter: there have long been signs of trouble. as recently as this february and again this month, co-pilot andreas lubitz had visited a clinic in dusseldorf for a diagnostic evaluation. several years back in 2009, lubitz reportedly suffered a serious depressive episode and received psychotherapy. >> had at that time been in treatment with a psychotherapist because of what is documented as being suicidal. >> reporter: around then lubitz told another doctor he was stressed out about his job.

the newspaper reports flight instructors found him not suitable for flying. he reportedly had to repeat pilot training, so he took a job as a flight attendant. turns out lubitz may have this two women in his l. one, a flight attendant with whom we had had a short fling, and another, his long-time girlfriend. "the new york times" says he met his girlfriend while working as a cook at burger king. a european government official knocked down any rumors about lubitz having personal problem with his girlfriend or that she was pregnant. why then would lubitz crash his plane? his ex-girlfriend, the flight attendant, told media lubitz talked of doing something that will change the whole system. after that, all will know his name and remember it. and there's more -- before the crash, lubitz was having vision trouble. an eye doctor found he wasn't seeing properly, but it was probably psychosomatic. that doctor told lubitz he was unfit to work.

something lubitz never shared with his employer. authorities say other doctors also found lubity unfit. one doctor's note was found slashed in his garbage. also according to "the new york times," investigators discovered ant anti-depressant at his apartment, the airline apparently never knew. >> he was 100% fit to fly without any restrictions. his flight performance was perfect. there was nothing to worry about. >> reporter: perhaps lubitz thought his dream of flying was in jeopardy. this is video of him happily flying a glider about a decade ago. how he went from this to the unthinkable we may never know. randi kaye, cnn, new york. earlier, cnn spoke to a reporter for the german newspaper "build." he interviewed the co-pilot's

ex-girlfriend. the woman identified as maria described a man who seemed to have two distinct sides. >> maria told me he woke up and screamed, "we are going down." "the plane is going down." she also mentioned another sequence. one night he locked himself in the bathroom for a while without an explanation. but never put this all in question because she said she recognized two sides inside this person. you know, when this guy was among people, he was, according to maria, really open-minded, smart, he could talk with people and seemed to enjoy life. but if they were on their own, he had mood swings. sometimes he tends to be aggressive, especially when they were discussing about their job situation. >> again, that was the

journalist who interviewed andreas lubitz' ex-girlfriend. the intentional crash of germanwings flight 9525 is recognizing serious questions about whether mental health screening should be required for more professions. dan simon with more on that part of the story. >> reporter: are you safe when you get into a plane, taxi, bus, train, or ferry? that's the question millions of people are asking after finding out that pilot andreas lubitz was suicidal. should everyone whose job could affect the public safety be required to undergo stringent and regular psychological screening? >> i think that we tend in america to do this with every crisis that you want -- you want the absolute fix that will prevent any -- anything like that ever happening again. >> reporter: dr. jacqueline brunett cy a senior medical

examiner and wonders about this slippery slope. >> we'll look at pilots. what about bus drivers, train engineers? where does one end, you know, in doing all of this evaluation? >> reporter: globally mental health screenings for pilots seem rare. in the u.s., the faa requires that commercial pilots get an annual or semi annual physical. but they're not required to go through regular psychological check unless an faa examiner thinks there's reason to be alarmed. if you look at the hard data, it may be hard to find fault in the system. between 2003 and 2012, the ntsb identified eight cases domestically of pilot suicide. in only one santa ana was there a passenger on board. still, there's precedents for this most recent case in france, most notably in 1999. egypt air flight 990. the 767 jet en route to cairo

from new york crashing off the coast of massachusetts. investigators found that the pilot left the cockpit, and the crash was the result of the co-pilot's actions, widely believed to be a suicide. some experts say we should do more, arguing mental health checkups must become regular across the transportation industry beginning with the airlines. >> they would have to have a program in place to periodically screen pilots to make sure there's no problems. the faa would approve the program, but then the results of that screening remain private with the company. >> reporter: widespread mental health testing would be complicated amidst of sea of federal, state, and local agencies. plus, there's the issue of patient confidentiality. it's unclear whether the rules of any airlines would change let alone any jobs with lives on the line. dan simon, cnn, san francisco. to another story we're watching closely. one man is dead and another wounded after they tried to ram a vehicle through a gate at the

u.s. national security agency in maryland. the nsa says officers opened fire when the men dressed as women sped toward them. one police officer was injured. investigators say the vehicle was stolen from a nearby hotel. cocaine was found in the car, and officials are looking into whether the men were under the influence. iraqi forces say they are gaining ground in their offensive to retake the city of tikrit from isis militants. meanwhile, hundreds of military families are anxiously waiting to hear news about their missing sons who are captured by isis last year. we have this report from baghdad. translator: father, mothers from all over iraq are in baghdad demanding answers, searching for their sons. "where are our boys," they

chapter, a question they've been crying for almost a year. many last saw their sons in this video of what looked like an endless line after they left tikrit. they released videos of cold-blooded mass murders. the families claim the recruits received orders to move out of the fortified base with no weapons or security. they ended up in the hands of the sunni militant. the military denied issuing any orders and says the men deserted. like hundreds of other military families, for this man's parents, not knowing his fate is unbearable. "it's been 10 months, and we know nothing about him s. he dead or alive? are they feeding him? what condition is he in?" she says, "we went to the government, and they did nothing

for us. no one did. why?" this man quit his job, and the couple spend their days searching for their 22-year-old boy. they've looked through isis videos on line and at bodies at the morgues. "we're exhausted. we live the incident every day. we cannot move on. we cannot forget," he says. iraqi government officials say they believe the recruits are dead, and they've promised the families an investigation. they say the answers, lake most of the bodies in mass graves, lie in tikrit, a city they're now fighting for. "if they liberate tikrit," god willing, "they'll bring back those who are alive. if they're dead, they'll bring back their bodies." "just bring him back to us dead or alive." the families want accountability, they want more than a government probe. they want an international investigation, they say, but more than anything, they just

want their sons. "why did you leave me? my darling son, why did you leave me," she says. "you're my everything. i told you don't go, i hope god bring you back to us." cnn, baghdad. >> heartbreaking scenes there. decades of social engineering has led to a population crisis in china. we will tell you what steps the country is now taking to change a controversial policy. plus, a terrifying scene caught on camera. a firefighter forced through a roof -- falls through a roof into a raging inferno. he did survive. we'll update you on his condition after this break. sweet charmin!!!softness... take a closer look at charmin ultra soft and you'll love what you see. not only can you use less, but you can actually see

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welcome back. china's decades' old one-child policy has affected more than just the country's population. >> statistics show that the birth control measure is having an impact on the country's working age and aging population. our david mckenzie reports. >> reporter: every chinese family resolves -- revolves around a child. they call her "little peach." like both her parents before

her, tao is an only child. "once my cousin visited, and we shared a bed for a few nights," says her dad. "i really enjoyed that feeling, and i wished i had a brother." ♪ >> reporter: for decades, the communist party has relentlessly pushed its one-child policy. when propaganda like this didn't work, they used heavy fines and forced abortion to curb population growth. now some expert call the one-child policy a glaring mistake. >> china has already began to feel an unfolding crisis in terms of its operation change. >> reporter: the one-child policy gambled with china's economic future. the world's second biggest economy now faces a rapidly aging population and shrinking work force. in just 15 years, there will be more than 400 million elderly here in china. and many chinese feel that the

one-child policy is out of step. so the party has changed its tune. pushing a new ideal family on tv with a daughter and a son. where more is better. millions are eligible for a second child. they should be ideal candidates. but housing in beijing is costly, and they say china is too competitive. good schools too expensive to even contemplate a second child. "money is only part of the problem," she says. "your energy and time is all important. we both have to work. it's hard enough to raise her as a success. it will be miserable if we have to go through that again." >> david mckenzie joining us live from beijing to talk about this a bit more.

david, you wonder what the best approach is to this demographic crisis. everyone seems to agree that current trends need to change, why not completely abolish the one-child policy altogether, for example? >> reporter: that's a good question. a lot of researchers and even some others are saying, well, that's what the party should do, the communist party. they seem to be taking the slow approach by effectively saying that parents who are themselves single children can have a second child. that is, some say, far less than what is needed. and in fact, in many ways, the damage has opinion done because the aging population of china cannot just be changed overnight. and what you might see is a situation like you had in japan or still have in japan. the difference here being that china's still trying to get itself to developed country status. effectively, what people were saying is that china could become old before it becomes

rich. errol? >> i'm wondering if families are even likely to have a second child if nay qualify. i mean, like you mentioned there, psychologically, this has been an impossibility for decades. >> reporter: you've had this propaganda pushing relentlessly that one child is good. put all your effort, money, and energy into a single child. and now you can't just change that social engineering overnight. in a way, the government might end up being a victim of its own success in that a lot of people i talked to, not just the family in the story, said they're allowed to not have a second child. because of the way china is and the ruthless competition to get ahead here, they don't necessarily feel that a second child is right for them. so you know, you probably will have to see incentives put in place at some point to force people to make the decision. some say china's in trouble. >> it is an effort to change

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is severely burned after he fell through the roof of a house and into the flames below. >> and it was all caught on camera. it's simply horrifying to watch. sara sidner shows how it all happened. >> reporter: a terrifying moment. a firefighter climbs to the roof of a house to help put out a raging fire inside. instead, he helplessly plunges into the inferno. [ screams ] >> reporter: the reaction from witnesses says it all. >> people were shocked that the firefighter fell into that hellish pit of fire. >> reporter: cell phone video captured the accident from multiple angles. captain pete dern was attempting to vent the roof. a technique used where a firefighter cuts a hole in the roof to release dangerous gases and smoke to make it safer for colleagues to fight the fire on the ground or attempt a rescue. but in this case, it was the firefighter who needed rescuing when the garage he's on

collapses. captain dern's caught inside for several minutes before he's pulled out. he's conscious, but more than 65% of his body is burned. >> his uniform, his charred uniform burned. it tells the story just by looking at it what hell he went through in those three minutes. >> reporter: captain den, a 25-year veteran, is alive but relying on a respirator to breathe. >> traumatic time for the fire service and fire department. we are family. brothers and sisters. and as you can see here, we rally around each other. >> reporter: sara sidner, cnn, los angeles. >> we hope he has a speedy recovery, but certainly injured after that. california's drought may have just reached a new low, if you can believe it. the state just concluded another hot and bone-dry winter. meteorologist pedram javaheri joins us with the sobering

assessment of how bad it is out west. >> scientists saying this is the first-ever assessment of how much water would be needed to at least replenish some of the drought here. you look at the sierra snow pack. as of april 1st, they will tabulate the numbers, keep in mind on april 1st, 1977, a record low snow pack in the sierra of 25% was set. we're currently at 6%. this will easily be four times lower than what the record low snow pack was across the sierra. also about 40% of the daughter in the state of california comes from a good sierra no snow pack. non-existent this year. 80% of the surface water of california also comes out of the snow pack. certainly one of the major implications. 11 trillion gallons of water, what nasa saying, that would be needed to alleviate the drought situation. that's equivalent to 16 million olympic-sized swimming pools. take a look. the next ten days across the united states, plenty of wet weather across the southern states, certainly around the northwest. state of arizona and, you bet, the state of california remained

almost entirely dry over the next several weeks. in fact, you look at the climatological and long-range forecast, above average temperature from the western united states while below average temperatures expected for the month of april across the northeastern united states. so the news certainly not good when it comes to the continuing pattern across that part of the world. want to take you to the western pacific because a typhoon larger than texas, twice the size of california, category 4 equivalent, approaching the island. 10,000 population. look at the symmetry, easily the largest storm on the planet as it pushes in. category 4. we're watching it carefully as it approaches the philippines. later in the week, easter sunday and holy week across the philippines. this is something that is worth noting over the next few days as the storm nears by thursday and friday. >> that storm could cause damage there as it hits the philippines. we'll keep an eye on that.

thanks. some of the biggest names in music are joining forces in what could drastically change the streaming scene. the streaming music scene. this venture's called title and the first artist-owned streaming service. >> started up by hip-hop superstar jay-z. title is a subscription service offering high-quality music and sound, but it's owned by the artist themselves. some big names are backing jay-z, including his wife, beyonce, madonna, kanye west, cold play, and alicia keys. >> a big trend on social media as that was announced. if you've been anywhere on social media the past 18 hours or so, you probably know about trevor miller. i think he looks familiar. he's the 31-year-old south african comedian chosen to replace jon stewart on "the daily show." >> noah is a controversial choice. some people are team noah all the way, while others say wrong man, wrong time. he's a household name in his

country, but virtually unknown in america. is he funny, that's the big question. >> it's weird because you land in america, and the questions they would ask at the border control would be interesting. you'd get there and the man would look at me. as soon as he'd see i'm from south africa, sure, south africa, have you been -- been in contact with ebola? [ laughter ] >> like me answer would be yes. [ laughter ] >> next stop, disney world. >> trevor noah understandably excited about his new gig. of course he reacted on twitter, "no one can replace jon stewart. but together with the amazing team at "the daily show," we'll continue to make the best damn news show." i would say second best. good luck to him. >> yeah, seems funny. we will just see what happens. are you watching "cnn newsroom." i'm rosemary church. >> i'm errol barnett. another hour of the world's biggest stories with us. in small business you have to work hard, know your numbers, and stay focused. i was determined to create new york city's

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in the country. we operate just like a city, and that takes a lot of energy. we use natural gas throughout the airport - for heating the entire terminal, generating electricity on-site, and fueling hundreds of vehicles. we're very focused on reducing our environmental impact. and natural gas is a big part of that commitment.

crunch time. iranian nuclear talks go down to the wire in switzerland. depressed and suicidal. new details emerge about the co-pilot of germanwings flight 9525. and backlash. the u.s. state of indiana under growing fire for a law that critics say discriminates against the gay and lesbian community. >> hello, and welcome to our viewers in the united states and around the world. i'm rosemary church. >> i'm errol barnett. this is "cnn newsroom."