Most Polar Bears Gone By 2050, Studies Say

Publication: National Geographic News   Date: September 10, 2007   View Article

Two-thirds of the world’s polar bears could disappear by 2050 as global warming continues to melt the Arctic’s sea ice, according to a series of U.S. government studies released last Friday.

The new findings paint a sobering picture for polar bears, whose dependence on sea ice makes them particularly vulnerable to warming temperatures.

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