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Reuters: The permanently frozen ground known as permafrost is retreating northward in the area around Canada's James Bay, a sign of a decades-long regional warming trend, a climate scientist said on Wednesday. When permafrost melts, it can liberate the powerful greenhouse gas methane that is locked in the frozen soil. The amount of methane contained in permafrost around James Bay is slight compared to the vast stores of the chemical found in ancient, deep permafrost in the Yukon, Alaska and ......
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Canada’s permafrost retreats amid warming trend
Posted by Washington Post: Juliet Eilperin on February 17th, 2010
Posted in Water Conservation