New data from Greenland shows that modern warming is outpacing even historically warm eras like the Medieval Warm Period.

by Theo Nicitopoulos
January 24, 2022 | 500 words, about 2 minutes

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Matthew Osman stands atop an ice cap in western Greenland looking out over the Nuussuaq Peninsula. In the distance and more than 2,000 meters below, the village of Ilulissat is a tiny speck in the vast expanse of snow and ice. As Osman steps into the snow, he sinks into a crevasse up to his thigh. Carefully easing his way out, he’s reminded of the hazards of working on ice. Like others who have ventured to drill into Greenland’s ice, Osman and his colleagues are braving the dangers to search for clues as to how the climate has changed in the past, and, by extension, how it may change…