Climate Changed

Climate Change May Reduce Some U.S. Grain Harvests by Half

  • Scientists developed computer model to show effect on crops
  • Corn, soybean yields may lose 40%-50% by end of the century

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Some of the most important U.S. crops, from wheat to soybeans, are at risk of substantial damage from climate change.

Higher temperatures may cut the wheat harvest by 20 percent by the end of the century without efficient carbon reductions, according to a study by researchers including the Potsdam Institute for Climate Impact Research and the University of Chicago. Yield reduction could reach 40 percent for soybeans and almost 50 percent for corn, relative to non-elevated temperatures, the group said in a report released Thursday.