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Latest from besieged arctic: Polar bears are eating each other
As arctic ice melts, "polar bears are starving, drowning, even resorting to cannibalism," one expert told CNN this week. Thirty years ago, the North Pole was covered in 2.5 million square miles of ice (an area about the size of the United States), but that area has shrunken to about 1.5 million square miles (what's left is the United States minus all the land east of the Mississippi).

We've been losing ice in the arctic at a rate of 10 percent per year, and within 5 years, it could disappear completely during the summer.
So what?
First of all, that ice helps "regulate and temper the climate in many parts of the world," reports CNN. It also reflects sunlight, keeping temperatures in check. Here in the United States, the net effect could be less rainfall in the West.
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