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Climate change may be driving more aggressive polar bears towards areas where people live, and the consequences could be lethal. “You’ve got this perfect storm set up where you’ve got bears that are spending increasing amounts of time on land becoming nutritionally stressed, moving into areas of human settlements,” says Todd Atwood, a wildlife biologist at the US Geological Survey. This makes the bears more likely to come into conflict with humans. Atwood was a member of a team that combed through nearly 150 years of records of bear attacks in Canada, Greenland, Russia, the US and Norway. They drew…
