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Lake Superior Stirs Up Wind as Waters Warm, Ice Cover Recedes

Lake Superior, the worldâ??s largest body of fresh water, is getting windier as the inland sea warms, increasing the danger to shipping and sailing interests.Winds above the lake, which straddles the U.S.-Canada border, have increased 5 percent a year since 1985, according to a study by Ankur Desai, an atmospheric and oceanic sciences researcher at the University of Wisconsin-Madison.