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As ice melts, polar bears migrate north

2015-01-08 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Washington Post: It was just a theory, but for years scientists believed what years of observation was telling them. As Arctic sea ice melted because of climate change, polar bears appeared to be inching their way toward a final refuge in the icy Canadian archipelago. Now a new study of polar bear DNA backs that up. Scientists who research the animals across the Arctic teamed up to produce a paper showing that the "directional gene flow" of recent polar bear generations is "moving towards areas with more persistent...

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