them when we took a count two weeks ago, but afterwards they went e elsewhere and no o one has seen ththem sie then. the territory is just incredibly large. inga: the protected area is as rge as frarance. it's like looking for a needle in a haystack. after the mass die-off last year, the saiga antelope population was left decimated. here alone, in the largest saiga population, more than 200,000 animals died. 90% were wiped out in a matter of days. stefeffen: i was s shocked. i was in the field myselelf and sasaw with my own n eyes the f t dead saigagas lying there. it was the first place whehere t happpped, and i i was right the. in: 5000 animals a b buried under this hill. itit's the first time steffen zuther and the british antelope specialist richard kock have returned since the great die-off. they want to find out why so the pasteurella bactcterium, whh led to t t deaths,as been identified. the researchers also know that before the die-off there was a huge drop in temperature. richard: and the animals were very stressed. they lost their coat. they don't have their winter coat, so the s

sure, ththe media did report abt ththem but you always need money to make your cause w widely kno. that's for sure. reporter: there were some 100,000 "contract children" throughout switzerland. many were placed in foster families and then moved to strict children's homes. they never learnt whwhat it meat to fight for their rights. and their parents weren't around to support them or didn't care. >> you could walk up a small lane and see the train station from t there. we would head up there to see if our parents were coming. but my parents never showed up. itit was brutal. reporter: after decades of silence, this tragedy is only gradually being worked through. walter steck now speaks openly about his ordeals. his accounts have become part of an archive documenting the expeririences of "contract children" like him. >> there arere always those e pe who don't want to confront the papast. it's a dadark and painfulul char in s swiss history. but i'i'm convinced one should properly know onone's history in order know where you stand and to be able to move forward. >reporter: meaeanwhile, w

hutson: when they're surveyed, up to 70% of chinese consumers say they didn't know that for ththem tobuy an i ivory trinket means that an elephant actually has to die. and oncece they learned that fact, most of them say they will no longer buy ivory. narrator: must africa's elephants go extinct? saving them calls for a multifaceted solution. hutson: we h he to look atat the demand side, at the supply side. we have to cooperate internationally.y. we have e to involve businesses and statecraft and private citizens and ngos and law enforcement, and we e have to ededucate people worldwide thatt your ivoryry trinkets mean that an elephant hasas to die.e. thornton: we need to go back to the total ivory ban, including completete ban on domestic t tre in china and japanan. if china and japanan banned domestic i ivory trade today, poaching will be going down by next week. that's how big the demand is there, and c closing that demand is the number one way to help save and protect a africa's elephants. 8úxú@ñññññÑñóóç >> [breathing heavily] >> i was searching f for an exit option from gaz

that they're contributing to sea level rise faster, once again, than climate scicientistprojojected ththem t. there's a credible body of work now that suggests that if we continue witith business-as-usul fossil fuel emissions, than by the end of this century, we could see as much as two meters, 6 feet of global sea level rise. now, that would be catastrophic for many coastal regions. for the u.s. east coast and gulf coast, island nations around the world, some of which will literally be submerged by that amount of sea level rise. the ipcc makes a far more conservative statement. they state an upper bound of about a meteter, about 3 feet, and it's once again an example of where the ipcc arguably has been overly conservative. some as myself have argued that partly that's just due to the culture of science. scientists tend to bebe reticent. we dodon't like o make strong conclusions that we have to withdraw atat some later time. and there's s also a componenent, i believe, due e to ththe pressure, the outstside pressure, the e critics,s, a vey well-funded and well-organized efforort to literal

sure, ththe media did report abt ththem but you always need money to make your cause w widely kno.. reporter: there were some 100,000 "contract children" throughout switzerland. many were placed in foster families and then moved to strict children's homes. they never learnt whwhat it meat to fight for their rights. and their parents weren't around to support them or didn't care. >> you could walk up a small lane and see the train station from t there. we would head up there to see if our parents were coming. but my parents never showed up. itit was brutal. reporter: after decades of silence, this tragedy is only gradually being worked through. walter steck now speaks openly about his ordeals. his accounts have become part of an archive documenting the expeririences of "contract children" like him. >> there arere always those e pe who don't want to confront the papast. it's a dadark and painfulul char in s swiss history. but i'i'm convinced one should properly know onone's history in order know where you stand and to be able to move forward. >reporter: meaeanwhile, walterer steck ha

forensic officers are working day and night to identifify the dead hotties in order r to give ththem t to their berereaved fa. amamy: this comes s as former brbritish imime minister t tony blair r has defendeded his posin to push britain into the iraraq war,r, claiming the world woulde inin an even worse positionn wiwithout the invasision oiraq thatat ousted saddam hussein. this comes after t the release f the long-awaited chilcot report, which blames tony blair for deliberately exaggerating the threat posed by saddam hussein in the lead-up to the iraq war. the report also revealed blair had been warned multiple times by britain's joint intelligence committee that the invasion of iraq would increase the threat of terrorism by al qaeda and other militant groups. in brazil, lower house speaker eduardo cunha has resigned in tears amid an ongoing corruption investigation against him. he is one of the conservative lawmakers most responsible for orchestrating the impeachment of president dilma rousseff. she has called her suspension and impeachment a coupup. in honduras, another activist f

i''ll e ththem two cards. expoponential growth right there.eone, that someone will give it to someone. it's just going to be a whole-e--a whole crapload of kindness. mike: it''s worth noting, alex has been so busy, he hasn't even changed his sweater. he's still wearing the same sweater as he did in that--you are the one that noticed that while we're watching it. alex: yeah. mike: um, and you also mentioned you--you hate that video now, but--but that video touched a nerve in others. talk to us about what happened after you--after you made it. alex: yeah, so, i mean, i mamade that video, posted it on my fafacebook, , and just through e power of the internet, i was contacted from people in brazil, russia, canada, and united states within the first 24 hours. so that immediately put the thought in my head, like, there's other people that wantnt to help create e this community of just kindness. that's the first time i've seen that video in a good 2 1/2 years, and i'm just, like, there's so much more to that story. i love it. mike: so overwhelmed at

and they sasaid, well, , we give ththem bibicycles. a and i sai well,l, what about the girls? and they said, oh, no, it's a waste of money to give a bicycle to a girl if she's going to turn around and get married. so i thought, my god, if it's only a bicycle that's keeping girls from goining to schooool, let's go aheaead and, you knono, give it to them. >> the first day, there was one young woman nanamed miriam oduro thaat came up p to me and d sai, david, i w want to be e a part ofththis projectct. and i said,, that's great, you wantnt to lean how to fix bikes. . and she sas, yes. she said, david, i'm seriouous. i want t to learn how to fix bikes. it's a pretty amazing thing to have this aggressive male come with his bike and d say, h, my bike needs to be e repaired.. my wheel is gogoing like t this. right. and then everyone looks at him, they y say, ok, we'll fx it for you. and then they take the wheheel off and give it to miriam. and the guy's expression is like, what? this woman, this disabled woman is going to true my wheel? and what ends up happening is that she t trues