Greenland's Melting Crisis: A Dire Warning for the Planet

Greenland is experiencing above-average melting during the 2023 melting season, with melt detected across up to 50% of the Greenland Ice Sheet's surface on several days in June and July. Satellite imagery shows a dramatic reduction in the extent of snow cover and the emergence of melt ponds, indicating the transition from "clean" snow to "dirty" ice. The presence of impurities on the ice lowers its albedo, accelerating melting. While the 2023 melting season is not expected to surpass the unprecedented melt of 2012, it is on par with other high melt years.