Climate change to create farmland in the north, but at environmental costs, study reveals

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PHYS ORG
High Alpine Tundra in Noatak National Preserve, Alaska. 
U.S. Fish & Wildlife Service.
In a warming world, Canada's north may become our breadbasket of the future - but this new "farming frontier" also poses environmental threats from increased carbon emissions to degraded water quality, according to the first-ever study involving University of Guelph researchers.  Story here.

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