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On Thin Ice

In Hudson Bay and some other areas, the ice melts completely in the summer. In the Chukchi and Beaufort seas, the ice remains solid year-long.

On Thin Ice
GRAPHIC: By Richard Furno, The Washington Post

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Polar Bear Is Named 'Threatened' Species
Article | Interior Secretary Dirk Kempthorne listed polar bears as "threatened" under the Endangered Species Act yesterday, saying the loss of Arctic sea ice in a warming climate could drive them to the brink of extinction in less than four decades.

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