Global leaders are negotiating about how to cut greenhouse gas emissions as quickly as possible. Scientists say every passing day, and every tenth of a degree, makes a big difference.
The melting has implications for people far from Greenland. The ice loss is helping drive sea level rise, threatening coastal communities around the world with flooding.
On top of an ice body more than two miles thick, Chris Polashenski last summer hoped to find a candy wrapper that might have fallen from Carl Benson’s pocket 60 years ago.