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
50 years ago humpback whales were considered an endangered species after decades of commercial whaling decimated the population. around that same 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. but 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 entanglements and ship collisions. in the next hour cnn s bill weir takes us to antarctica, a place very few people 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
with real questions and answers. not scripted. peter: no big kickoff rally today. so far all we have got is this very short teaser ad. courage? is it worth the sacrifice? america has been worth it every single time. peter: as usual, white house officials say they don t want to weigh in on elections because of the hatch act. but they are happy to speak about ron desantis florida. lawmakers, republicans in florida, have attacked diversity. they have an attacked inclusion efforts. they have limited the teaching of black history. and they have launched attacks on the lgbtq youth, immigrants, educators and women s reproductive freedom that s what you have seen from lawmakers in florida. desantis is not clearing the feecialtiond the primary field of other trump challengers. glenn youngkin, rumored to be considering a run. his top staffer says glenn youngkin is focused on virginia. anyone who anonymously says otherwise probably isn t as close to the governor as they wan
Ona i am in antarctica. On a journey across interest coldest. The windiest. And surely, the one of our most awe inspiring continents. Look at that. Just over 105,000 tourists visited antarctica in 2023. It was also the hottest year on record, with potentially disastrous global consequences. Oh, it is a calving. A massive bit of ice falling off. We oh, it is a calving. A massive bit of ice falling off. Bit of ice falling off. We see ice shelves bit of ice falling off. We see ice shelves melting, bit of ice falling off. We see ice shelves melting, more I Ice Shelves melting, more carving, thats why we have more icebergs in the water. figs more icebergs in the water. As more icebergs in the water. As more people embark on these adventures, what can we learn about this, the most pristine place on the planet . My my journey starts myjourney starts in argentina, the southern most city in the world. Its one of five Gateway Cities for expeditions to antarctica. There are lots of antarctic tou
We see ice sheets melting, ice shelves melting, we have more carving. Thats why we also have more icebergs in the water. As more and more people embark on these adventures, what can we learn about this, the most pristine place on the planet . Myjourney starts here in ushuaia in argentina, the southern most city in the world. Its one of five Gateway Cities for expeditions to antarctica. There are lots of antarctic tourists here, the brand new jackets and backpacks are a bit of a giveaway, all of them doing their last minute preparations. As a journalist, ive covered the exploits of people who travel in extreme environments, and for me, this is the ultimate adventure. Im getting really excited now. Theres a genuine chill in the air, perhaps a sign of things to come. We havent even left port and the weathers kicking in. Its part of the point of coming to the antarctic you want to feel the elements. 0h here it is the ms Fridtjof Nansen. Im joining about 400 passengers from all over the wor