Crop scientists now fret about heat not just water

Outlet: Scientific American

October 23, 2011

Crop scientists in the United States, the world’s largest food exporter, are pondering an odd question: could the danger of global warming really be the heat? For years, as scientists have assembled data on climate change and pointed with concern at melting glaciers and other visible changes in the life-giving water cycle, the impact on seasonal rains and irrigation has worried crop watchers most…

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