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New in EARTH Magazine: Crazy Times in the Arctic

Arctic sea ice extent for March 24, 2016, was the lowest on record. Credit: NSIDC
Over the past several decades, the Arctic has warmed roughly twice as fast as the rest of the planet. Record low sea-ice extents, thawing permafrost, and accelerated melting of the Greenland Ice Sheet are consequences of this uneven warming, according to Mark C. Serreze, the director of the National Snow and Ice Data Center in Boulder, Colo. In the March issue of EARTH Magazine, Serreze brings insight and context to the latest Arctic measurements.
 

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