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Polar bears may be extinct by 2100 if Arctic ice melts at projected rate, according to new study - ABC News
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Arctic ice loss forces polar bears to use four times as much energy to survive – study | Arctic | The Guardian
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Polar bears are inbreeding due to melting sea ice, posing risk to survival of the species, scientists say - ABC News
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Polar bears are inbreeding due to melting sea ice, posing risk to survival of the species, scientists say - ABC News
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