News tagged with polar ice

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Polar climate change may lead to ecological change

(PhysOrg.com) -- Ice and frozen ground at the North and South Poles are affected by climate change induced warming, but the consequences of thawing at each pole differ due to the geography and geology, according to a Penn ...

dateAug 11, 2011 in Environment
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Long-distance swims may cause polar bear problems

Polar bears forced to swim longer distances because of diminished sea ice off Alaska's coast may be paying a price in lost cubs or precious calories, according to a study by the U.S. Geological Survey.

dateJul 20, 2011 in Ecology
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Native groups sue over polar bear critical habitat

(AP) -- Alaska Native groups worried about losing tax revenues and royalties from oil development filed a lawsuit Friday challenging the federal government's designation of critical habitat for threatened polar bears on ...

dateMay 14, 2011 in Ecology
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