polar bears may disappear completely in 80 years. The extinction of a whole species can trigger hunger due to the destruction of the natural habitat of animals, came to the conclusion the scientists of Canada and the United States, according to a paper published in the journal Nature Climate Change.
Experts say that the Arctic is warming twice as fast as other parts of the planet and the melting of the ice is inevitable. Already, polar bears face serious problems in trying to find food, due to the reduction of sea ice. Recorded a decrease of body weight bears harder it is to survive the Arctic winter, when the lack of food, indicated by scientists.
They predict that if the Earth will warm by an additional 2.4 degrees Celsius, the extinction of polar bears inevitable.
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