Greenland continues to melt

Yet we now know that the Greenland of today is different from the Greenland that Rink experienced. The ice sheet is melting more, and melting earlier in summer, and melting in ways that computer models suggest will ultimately threaten its long-term existence. A recent paper in Nature presented compelling evidence, gathered from cores extracted from the ice sheet, that demonstrated Greenland’s recent melt is “exceptional” over the past 350 years and that the ice sheet’s response to higher temperatures is now “nonlinear.” In the last two decades, melting rates of the ice are 33 percent higher than 20th century averages; the melting, moreover, is not only increasing but accelerating.

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