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Polar Bears & Global Warming

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Uploaded on Feb 25, 2008

Click here to find out how you can help! http://bit.ly/14txvxv

NWF's senior scientist Doug Inkley, Ph.D. explains why polar bears need sea ice and what can happen to them because of global warming.

National Wildlife Federation works on protecting wildlife and wild places. To learn more go to http://bit.ly/14txvxv

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