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A new report on the fate of polar bears in a world of climate change predicts disaster for one of the world's most charismatic species, says WWF.
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University of Colorado at Boulder researchers are now forecasting a 92 percent chance that the 2007 September minimum extent of sea ice across the Arctic region will set an all-time record low.
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A 20-year U.S. Geological Survey (USGS) study documents that recent changes in the quality and availability of sea ice in northern Alaska are the most likely explanation for a decrease in maternal polar bear denning on sea ice and an increase of denning on land.
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