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In the gateway to the Arctic, fat and sea ice are crucial, intertwined and dwindling. And scientists say because of that polar bears are in trouble. In Churchill, Canada, the polar bear capital of the world, scientists say there are now about half the polar bears as there were 40 years ago…
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In the gateway to the Arctic, fat, ice and polar bears are crucial. All three are in trouble
23:23
In the gateway to the Arctic, fat and sea ice are crucial, intertwined and dwindling. And scientists say because of that polar bears are in trouble. In Churchill, Canada, the polar bear capital of the world, scientists say there are now about half the polar bears as there were 40 years ago…
