Kaballit Nunaat is thawing quickly. The ice mass of the world's largest island -- a.k.a. Greenland -- is melting at a rate of 41 cubic miles per year. Using a technique that reveals regional changes in the weight of the massive ice sheet across the entire landmass, NASA scientists report that Greenland's low coastal regions lost 155 gigatons of ice per year between 2003 and 2005 from excess melting and icebergs, while the high-elevation interior gained 54 gigatons annually from excess ...


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