From the emperor penguin to the polar bear, animals have adapted to their extreme environments—but ice melt is a looming threat to their survival https://on.natgeo.com/2IXcgQQ

From the emperor penguin to the polar bear, animals have adapted to their extreme environments—but ice melt is a looming threat to their survival https://on.natgeo.com/2IXcgQQ 

https://twitter.com/NatGeoTravel/status/1124312897197367296