Greenland’s ice is melting much faster than we thought. Here’s why that’s scary.

Our planet is warming and its cryosphere — Earth’s frozen regions — is melting. This we know. The Arctic, in particular, is warming at a rate twice as fast as the rest of the planet. And this winter, the sheet of Arctic sea ice that grows and shrinks in an annual cycle was at its second lowest extent since scientists began measuring it with satellites. But the ice that...

Learn More