In May 2008, the U.S. Department of the Interior listed the polar bear as a Threatened Species under the Endangered Species Act. Russia lists the polar bear as a species of concern.
Nations will gather in Copenhagen this December... See more...
Dr. Tom Smith has studied polar bear maternity... See more...
Join polar bear scientist Andrew Derocher on the... See more...
Gorgeous footage of polar bears in their natural... See more...
Head onto the Alaskan sea ice with Dr. Steven C.... See more...
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