polar bear extinction

Sat, 2007-09-08 08:16Ross Gelbspan
Ross Gelbspan's picture

The News Just Gets Harder to Bear

Two-thirds of the world's polar bears will be killed off by 2050 — and the entire population gone from Alaska — because of thinning sea ice from global warming in the Arctic, government scientists forecast Friday. Polar bears have walked the planet for at least 40,000 years.
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