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Can Anyone, Even Walmart, Stem The Heat-Trapping Flood Of Nitrogen On Farms?

Walmart has promised big cuts in emissions of greenhouse gases. To meet that goal, though, the giant retailer may have to persuade farmers to use less fertilizer. It won’t be easy. (Image credit: TheBusman/Getty Images) … Read the referenced┬ástory here: Can Anyone, Even Walmart, Stem The Heat-Trapping Flood Of Nitrogen On Farms?

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