Life
What the family drama of interbreeding polar and grizzly bears reveals
A hybrid grolar bear saga is unfolding in the Arctic, and the tale of this strange family has much to tell us about nature on our changing planet
Features
Environment
Polar bears adapting to climate change by hunting on freshwater ice
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Life
Polar bears caught feeding on a whale carcass in breathtaking photos
Regulars
Environment
Extreme lack of sea ice in Hudson Bay puts polar bears under pressure
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Life
Polar bears in Svalbard archipelago are inbreeding due to sea ice loss
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Environment
Climate change may kill off nearly all polar bears by 2100
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Environment
Field notes: Polluted polar bears await the great Arctic land grab
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Earth
The survivors: Is climate change really killing polar bears?
Features
Earth
Polar bears waste lots of their energy and it could be a problem
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Environment
Polar bear attacks on people set to rise as climate changes
Dwindling sea ice is driving hungry bears on to land and towards human settlements
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Environment
Polar bears shift from seals to bird eggs as Arctic ice melts
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Environment
Polar bear family tree reveals adoptions and identical twins
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Environment
60 Seconds
News
Environment
Knut the polar bear’s mysterious cause of death revealed
News