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polar bear arctic climate change orig mg nws_00010716
polar bear arctic climate change orig mg nws_00010716

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    Emaciated polar bear, what's to blame?

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Emaciated polar bear, what's to blame?

A photo of an emaciated polar bear has sparked debate over global warming. CNN's Jennifer Gray explains the impact global warming is having on the Arctic.

Emaciated polar bear, what's to blame?

A photo of an emaciated polar bear has sparked debate over global warming. CNN's Jennifer Gray explains the impact global warming is having on the Arctic.