Stressed Aquifers Around the Globe

New York Times: As the worst drought in decades continues to afflict the Midwest and the Great Plains, it is straining a precious commodity far beneath the earth's surface: groundwater. Take, for instance, the Ogallala aquifer, which underlies eight states from Nebraska to Texas. The aquifer helps irrigate fields of corn, soybeans and wheat, notes Mark Svoboda, a climatologist at the University of Nebraska at Lincoln who maintains the U.S. Drought Monitor. In a summer like this, even farmers who draw from...

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