May 3, 2010 6:32 AM

As Arctic ice recedes, polar bear encounters increase for some Alaskans

Researchers say that as Arctic sea ice recedes, the chance for human and polar-bear encounters is increasing along Alaska's North Slope. Now, following the 2008 listing of the bears as threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service is proposing a list of guidelines for warding the animals away from towns and villages.

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