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St. Paul, Minn.

Slideshow: Polar bears in a warming world

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Polar bears
An image from Steven Kazlowski's "The Last Polar Bear."
Photo courtesy of Steven Kazlowski/lefteyepro.com
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Polars bears
An image from Steven Kazlowski's "The Last Polar Bear."
Photo courtesy of Steven Kazlowski/lefteyepro.com
1 of 4
Polar bears
An image from Steven Kazlowski's "The Last Polar Bear."
Photo courtesy of Steven Kazlowski/lefteyepro.com
2 of 4
Polar bears
An image from Steven Kazlowski's "The Last Polar Bear."
Photo courtesy of Steven Kazlowski/lefteyepro.com
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