Arctic impact

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Science  20 Feb 2015:
Vol. 347, Issue 6224, pp. 818-821
DOI: 10.1126/science.347.6224.818

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Against the backdrop of "Snowmageddon" and other powerful winter storms that have blasted the United States, Europe, and Asia in the past few years, a different kind of tempest has been swirling within the Arctic science community. Its core is a flurry of recent research proposing that such extreme weather events in the midlatitudes are linked through the atmosphere with the effects of rapid climate change in the Arctic, such as dwindling sea ice. The idea has galvanized the public and even caught the attention of the White House. But some Arctic researchers say the data don't support it—or that the jury is at least still out. Now, scientists are tackling the issue in earnest, and an increasing number of conferences and workshops are bringing together scientists with a range of viewpoints on this issue, in hopes that a coordinated effort will measure the reach of the north.