Loss of Sea Ice Could Harm WalrusDecember 24, 2007 By DAN JOLING, Associated Press Writer in /
(AP) -- Federal marine mammal experts in Alaska studying the effects of global warming on walrus, polar bears and ice seals warn there are limit to the protections they can provide.
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"Loss of Sea Ice Could Harm Walrus" December 24, 2007 http://phys.org/news/2007-12-loss-sea-ice-walrus.html