Arctic melt leading to weakest Gulf Stream in a 1,000 years

March 23, 2015 6:56 PM

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Gulf Stream water currents in the Atlantic Ocean have slowed to the weakest in as long as 1,000 years, threatening shifts in US and European weather, as well as coastal sea levels including in New York and Boston.

The currents are probably affected by changes in ocean density as fresh water melts from Arctic ice sheets, scientists led by the Potsdam Institute for Climate Impact Research said in a study Monday in the journal Nature Climate Change.

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