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How serious the problem of global warming? Result is quite a shock, due to rapid melting of Arctic ice, polar bears eat seals grasp, also found that polar bear hunger, and thus kill each other, eat each other's flesh. In recent years, a small number of polar bears less and less body weight of adult polar bears, more light, because could not find food to eat out. Seals, polar bears main food, they would shore and the shallow waters between the ice hunting seals, but global warming, ice melting faster, farther and farther away from shore, swim in the past four times the average distance only catch seals. Some polar bear did not capture goal, drowning, even more alarming is that some hungry polar bears to choose to eat their parents. In 2007, Rong Diao Arctic ice, a full six California is so big that if the situation does not improve within 50 years, 2 / 3 of polar bears would die.
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