Study: Polar Bears Could Face Extinction Faster Than Thought

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By Zahid Mahmood, CNN
(CNN) — Polar bears are starving and could face extinction faster than previously thought, according to a new study.
Published Thursday in the journal Science, the study was conducted by researchers who fixed collars on nine bears and recorded their activity levels for up to 11 days. They found that the Arctic creatures were suffering an extreme shortage of food.
As a result of climate change, the sea ice in the Arctic is melting and