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Extinctions

Polar Bears

Written by , on May 16, 2008

The publicity about the danger to polar bears from global warming could easily lead you to believe that their numbers are already shrinking dangerously. In fact, in the early 1970s, the number of polar bears was estimated at between 5,000 and 10,000. As a result of hunting restrictions, there are now between 20,000 and 25,000 […]  Read more »