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Scientists Say Water Shortages Threaten China’s Agriculture

An ancient stone bridge was discovered on the dried up lakebed of Poyang lake in Jiujiang, eastern China in 2013
An ancient stone bridge was discovered on the dried up lakebed of Poyang lake in Jiujiang, eastern China in 2013Photograph by AFP via Getty Images

China has a fifth of the globe’s population but only 7 percent of its available freshwater reserves. Moreover, its water resources are not evenly distributed. The lands north of the Yangtze River—including swaths of the Gobi desert and the grasslands of Inner Mongolia—are the driest, but more than half of China’s people live in the north.

Water is not well managed in China. Nearly two-thirds of water withdrawals in China are for agriculture. Due to the use of uncovered irrigation channels (leading to evaporation) and other outdated techniques, a significant portion of that water never reaches the field.