Climate change is forcing polar bears to ditch Alaska for Russia, according to American scientists.

In recent years, polar bears in the Beaufort Sea have had to travel far outside of their traditional hunting grounds which has contributed to an almost 30 per cent decrease in their population, according to a recent study by Washington State University.


Anthony Pagano, a postdoctoral researcher in Washington State University’s School of the Environment, said: “Having to travel farther means these bears are expending more energy which can threaten their survival.

“If we want to preserve the habitat of these amazing mammals, then we need to focus on the root of the problem, which is slowing global climate change.”

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