National Geographic: Glacier National Park

Global warming is transforming Glacier National Park, as its inhabitants race to adapt. As melting glaciers push some wildlife to the brink of extinction, other animals battle tirelessly to persist despite the rapidly warming environment in what is truly one of America's wildest spaces. When we arrive at Blackfoot Glacier once one of the park's largest we'll witness the transformation taking place, from disappearing waterfalls to the newly uncovered sculpted landscape.