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Publish date. 09-02-2011   Number of images. 3

Study: Melting Arctic sea ice puts polar bear populations at risk

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USA Today | "Polar bear litter size is decreasing," says study lead author Peter Molnar of the University of Alberta, now a post-doc at Princeton University. ...
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A lack of Arctic sea ice is causing polar bear litters to decrease in size, according to a new study published today in the journal Nature Communications. This trend is predicted to continue over the
Full View A lack of Arctic sea ice is causing polar bear litters to decrease in size, according to a new study published today in the journal Nature Communications. This trend is predicted to continue over the next several decades, potentially threatening the health of the species."Polar bear litter size is decreasing," says study lead author Peter Molnar of the University of Alberta, now a post-doc at Princeton University....

[Picture] Study: Melting Arctic sea ice puts polar bear populations at risk
 

Polar bears give birth to fewer cubs if sea ice melts early, according to a new study.
Full View Polar bears give birth to fewer cubs if sea ice melts early, according to a new study....