Arctic summer wind shift could affect sea ice loss and U.S./European weather, says NOAA-led study

Between March 20 and September 16, 2012, the Arctic lost ice covering 11.8 million square kilometers—an area larger than the United States and Mexico together, and more than in any year since satellite measurements began in 1979.
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 Scientists have produced the first three dimensional map of the surface beneath Antarctic sea ice, helping them better understand the impact of climate change on Antarctica.
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the Gulf Stream diverged well to the north of its normal path beginning in late October 2011