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Study: Polar bears disappearing from key region

 


WASHINGTON (AP) – A key polar bear population fell nearly by half in the past decade, a new U.S.-Canada study found, with scientists seeing a dramatic increase in young cubs starving and dying.

Researchers chiefly blame shrinking sea ice from global warming.

Scientists from the U.S. Geological Survey and Environment Canada captured, tagged and released polar bears in the southern Beaufort Sea from 2001 to 2010. The bear population shrank to about 900 in 2010, down from about 1,600 in 2004. That area is one of two main U.S. polar bear regions.

“These estimates suggest to me that the habi...



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