Polar bears could survive on persisting ice


2010-12-15 Nature News
But Arctic ice must be protected from oil and pollution.

Polar bears are safe from the effects of climate change — for now.Jenny E. Ross/Corbis

Polar bears are safe from the effects of climate change — for now.Jenny E. Ross/Corbis

Some summer sea ice is likely to persist in the Arctic into the next century, providing a last refuge for polar bears, seals and other animals, researchers reported at the American Geophysical Union meeting in San Francisco, California, this week. But both ice and animals still face multiple threats — from oil spills and other pollution to extinction through cross-breeding between distinct animal populations.

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