Where Polar Bears Might Go If Climate Change Doesn't Slow

By midcentury, the northern islands of Canada and the north coast of Greenland may represent the only remaining region in the Arctic where polar bears and the marine animals that sustain them can survive if greenhouse-gas emissions continue to climb at anywhere near their current levels. That's the scenario a team of U.S. and Canadian scientists came up with in looking at the prospects for Arctic habitats if greenhouse-gas emissions follow a business-as-usual track through the end of the...Full Story
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