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In the not-so-distant past, a vast portion of Greenland, now covered by a two-mile-thick ice sheet, was a lush and ice-free tundra landscape, possibly adorned with trees and roaming woolly mammoths. A study published in Science has shed light on this fascinating discovery,

The Greenland ice sheet may be more vulnerable to climate change than previously thought, new research suggests. Rising air temperatures amplify the effects of melting caused by ocean warming, leading to greater ice loss from the world’s second largest ice sheet,