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Polar bears in peril: The bleak future of the Churchill bears | In-Depth

They are a majestic icon of Canada's North, but polar bears have also come to symbolize climate change. And scientists say the future for one particular population of polar bears in northern Manitoba is dire.
They are a majestic icon of Canada's North, but polar bears have also come to symbolize climate change. And scientists say the future for one particular population of polar bears in northern Manitoba is dire. 11:20