California farmer Erik Freese pulls down a healthy ear of corn that has been genetically engineered to produce its own pesticide. He says genetic engineering has helped him to farm more sustainably.
Kathleen Masterson for NPR
Grimes Sweetcorn worker Paulette Vandyke waits to sell fresh corn in Grimes, Iowa. The drought has pushed the price of corn per bushel up nearly 40 percent in the past two months.
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