Warming could cut China grain crops by over a third

Rising temperatures in China could slash grain production in the country by over a third in the second half of this century, imperilling food security, Xinhua reported on Wednesday.

China will be 2 to 3 degrees Celsius hotter on average within the next 50 to 80 years, it said, citing a report on changing weather conditions produced by six government departments.

"If we do not take any measures, by the second half of the 21st century production of key agricultural products like wheat, rice and corn could fall by up to 37%," Xinhua quoted the report as saying.

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photo by Harry Wagner