CNN The Wonder List With Bill Weir April 13, 2015 01:36:00
That this glacier sunk by more than 50 meters. >> in your lifetime. >> yeah. and it is so fast now. and the speed with which climate is changing, it's 20 times faster than any natural temperature change. which happened before human beings became so active. >> without the benefit of time travel, it's hard to imagine such massive changes. but when the years are compressed into seconds, here's what that retreat really looks like. photographer james baylaw has dozens of cameras aimed at glazers around the globe, each snapping a few frames a day. as you can see in his film "chasing ice," which stit...