In the next couple of decades, the Arctic is likely to see summers with no sea ice.Īs she returns regularly to Greenland, Moon, a researcher with the U.S. Even a region called the Last Ice Area showed unexpected melting this year. Siberia even hit 100 degrees Fahrenheit (38 degrees Celsius). Permafrost, the icy soil that traps the potent greenhouse gas methane, is thawing. Arctic ice sheets and glaciers are shrinking, with some glaciers already gone.
