around that time, scientists learned something extraordinary. whales were communicating with each other. sometimes by song over long distances. in part, because of that discovery, scientists and conservationists rallied to enact laws to protect the whales and it worked. the humpback whale population has made a remarkable comeback. now they face a host of new threats. global warming is killing off their food source and human activity is causing thousands of whale deaths a year from the stress of underwater construction noise to fishing entang amments and ship collisions. in the next hour, cnn s bill weir takes us to antarctica, a place very few get to visit to study these remarkable creatures and show us why saving the whales may also be saving the planet. because they are one of our best partners in battling climate change. reporter: those are the songs of humpback whales, flying about 15 billion miles away from earth, on the off chance intelligent life out there wants to
Come on. Next friends. Could never love anyone except. Coming up. On the whole story. Such an amazing sensation. Welcome in the sky. The world is in such a difficult position. The lake used to go half a mile around the corner mad and go, go kill that thing. Good evening. Welcome to the whole story. Im anderson cooper. Tonight we take you on a journey around the world to meet people fighting against something that can be seen or touched, but his threatening our planet and the way we live more than a trillion tons of carbon gas has been released into our seas and skies over time. It comes from a lot of different sources, but the biggest is burning fossil fuels for electricity, heat and transportation. But tonight, cnns chief climate correspondent, bill weir, has found some reasons to hope. Some unique ways innovators are trying to capture contained and reduce carbon emissions. They are climate warriors, and they just may show us how to unscrew a planet. Attention humans of earth got good
sensation. welcome in the sky. the world is in such a difficult position. the lake used to go half a mile around the corner mad and go, go kill that thing. good evening. welcome to the whole story. i m anderson cooper. tonight we take you on a journey around the world to meet people fighting against something that can be seen or touched, but his threatening our planet and the way we live more than a trillion tons of carbon gas has been released into our seas and skies over time. it comes from a lot of different sources, but the biggest is burning fossil fuels for electricity, heat and transportation. but tonight, cnn s chief climate correspondent, bill weir, has found some reasons to hope some unique ways innovators are trying to capture contain and reduce carbon emissions. they are climate warriors, and they just may show us how to unscrew a planet. attention humans of earth got good news and bad news. good news is that the combined sweat and brilliance of the 117 billion or
come on. next friends. could never love anyone except. coming up. on the whole story. such an amazing sensation. welcome in the sky. the world is in such a difficult position. the lake used to go half a mile around the corner mad and go, go kill that thing. good evening. welcome to the whole story. i m anderson cooper. tonight we take you on a journey around the world to meet people fighting against something that can be seen or touched, but his threatening our planet and the way we live more than a trillion tons of carbon gas has been released into our seas and skies over time. it comes from a lot of different sources, but the biggest is burning fossil fuels for electricity, heat and transportation. but tonight, cnn s chief climate correspondent, bill weir, has found some reasons to hope. some unique ways innovators are trying to capture contained and reduce carbon emissions. they are climate warriors, and they just may show us how to unscrew a planet. attention humans of ea
were back live in the cnn newsroom. i m jim acosta in washington. us diplomatic personnel and their families are now safely out of sudan as the african nation descends into increasing violence. they were airlifted to neighboring djibouti and a dramatic overnight evacuation about 100. us special operations forces carried out a daring mission today, the u. s embassy in khartoum is closed. and the decision to evacuate personnel comes after a week of heavy fighting between sudan s military and arrival paramilitary group more than 400 people have been killed, including one american, the state department says there are about 16,000, potentially as many as 19,000 americans in sudan. most though, are dual nationals and our correspondents are well positioned here. and overseas to bring you all of the angles of this developing story. let s go to cnn s sam kiley live from djibouti. he s gonna be there in just a moment. let s begin with cnn s oren liebermann . he s over at the pentagon o