The Greenland ice sheet is basically a giant ice cube the size of Alaska. What happens when it melts? We spent five days camping out on the ice with a team of scientists who are trying to find out.
Each season, Threshold explores one story from the natural world, and what it says about us. Season two is all about the Arctic: what it is, what’s changing there, and why that matters for everybody.
For more content and photos from the episode, visit http://www.thresholdpodcast.org