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
welcome. you are in the cnn newsroom. s the compromise implements stricter limits along the southern border, curtails asylum and ends the current system of catch and release. even if the senate can pass the legislation, it is set to face stiff opposition from house republicans as speaker mike johnson has said it s dead on arrival before even knowing what s in it. we will be curious if that changes now that the text is out. we are tracking severe weather on the west coast. last hour, the mayor urged los angeles los angeles residents to stay home saying the city is not used to the life-threatening flood conditions it is set to experience. we will bring you the latest throughout the hour there. first, i want to get to priscilla alvarez. this is happening in real time. we have this legislative text. the senate bill is now out. have you been able to get a sense of what s actually in this and what you think is actually significant here? reporter: yeah. minutes ago, we got a