Aquifers and the food chain


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The New York Times (Dec. 21) -- Megan Konar, an engineer at Illinois, is among the experts eager to see California lead the world toward more sustainable methods. Recent research she did with a graduate student, Landon Marston, found that 18.5 percent of the American grain supply, an essential link in the food chain, is coming from parts of the country where the aquifers are being depleted.

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This story was published December 21, 2015.