Cage-free chickens in Harold Sensenig's barn near Hershey, Pa., get to roam and perch on steel rods, but they don't go outside. Dan Charles/NPR hide caption

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What The Rise Of Cage-Free Eggs Means For Chickens

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Gracie Shannon-Sanborn, 5, holds a sign as she joins her father Allen Sanborn (L) and members of Progressive Democrats of America at a rally in front of Rep. Henry Waxman's office on June 17, 2013 in Los Angeles, Calif. The protestors asked the congressman to vote against a House farm bill, which was defeated Thursday. Kevork Djansezian/Getty Images hide caption

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Whenever a steer or cow leaves a farm in Michigan or goes to a slaughterhouse, it passes by a tag reader, and its ID number goes to a central computer that keeps track of every animal's location. Dan Charles/NPR hide caption

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Michigan Tracks Cattle From Birth To Plate

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Genetically modified wheat has been discovered growing in a field in Oregon. GMO wheat is not approved for sale in the U.S. Above, a wheat field in Arkansas. Danny Johnston/AP hide caption

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Danny Johnston/AP

GMO Wheat Found In Oregon Field. How Did It Get There?

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At Michigan State University's Clarksville Research Station, researchers apply pollen by hand to tart cherry blossoms, in order to breed new varieties. Dan Charles/NPR hide caption

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Inside A Tart Cherry Revival: 'Somebody Needs To Do This!'

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A bee inspector checks on a frame of bees to assess the colony strength near Turlock, Calif., in February. More than 30 percent of America's bee colonies died off over the winter. Gosia Wozniacka/AP hide caption

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Gosia Wozniacka/AP

Bee Deaths May Have Reached A Crisis Point For Crops

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Rice farmers in Indonesia plant rice seedlings using the "system of rice intensification." Courtesy of SRI International Network and Resources Center hide caption

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Courtesy of SRI International Network and Resources Center

Eduardo Somarriba is a researcher at the Center for Tropical Agricultural Research and Education in Turrialba, Costa Rica. Dan Charles/NPR hide caption

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Exploring Coffee's Past To Rescue Its Future

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Luis Fernando Vasquez has been a coffee farmer in the central valley of Costa Rica his entire life. Dan Charles/NPR hide caption

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Coffee For A Cause: What Do Those Feel-Good Labels Deliver?

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Workers separate beans in the coffee warehouse in Yirgacheffe, Ethiopia. Coffee originated in Ethiopia, but now grows in more then 50 countries around the world. Michael Tsegaye/Bloomberg via Getty Images hide caption

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Michael Tsegaye/Bloomberg via Getty Images

How Coffee Brings The World Together

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