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In Depth

Canada's delayed polar bear migration, live on the web

Posted

Nov. 16 - A team of conservationists are streaming live video coverage of Canada's annual polar bear migration to raise awareness of the bears' vulnerability to climate change. Transmitting images from what they call "tundra buggies" near Churchill, Manitoba, the team says there's evidence that higher-than-average temperatures are affecting the bears' ability to hunt on the sea ice of Hudson Bay. Rob Muir reports.

In Depth

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