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Warming Climate May Devastate Major U.S. Crops--Study Suggests Tipping Points for Corn, Soybeans, Cotton（图）
Warming Climate Major U.S. Crops Tipping Points Corn Soybeans Cotton
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2009/12/10
Three of the most important crops produced in the United States—corn, soybeans and cotton—are predicted to suffer declines of as much as 80 percent if temperatures continue to rise with manmade climat...