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Polar bears have been officially listed as "threatened" under the United States Endangered Species Act. The belief is that the loss of Arctic sea ice in a warming climate could lead them toward extinction in less than four decades.Learn much more about this topic using the web links. (May 2008)
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- This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information

