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After Grist's six-month-long series on genetically modified foods, some loyal readers accused the site of changing directions in the debate. iStockphoto hide caption

itoggle caption iStockphoto

Soon after being sliced, a conventional Granny Smith apple (left) starts to brown, while a newly developed GM Granny Smith stays fresher looking. Courtesy of Okanagan Specialty Fruits Inc. hide caption

itoggle caption Courtesy of Okanagan Specialty Fruits Inc.

A dead carp floats in water near the shore at Big Creek State Park on Sept. 10 in Polk City, Iowa. Like many agricultural states, Iowa is working with the EPA to enforce clean-water regulations amid degradation from manure spills and farm-field runoff. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

Chris and Sara Guerre are among a growing number of farmers who have made the choice to rent land to farm instead of buy because of increasing property values. Zac Visco for NPR hide caption

itoggle caption Zac Visco for NPR

Ritter Sport says the chemical responsible for the vanilla-like aroma in its top-selling Voll-Nuss chocolate nut bar is all natural. But Stiftung Warentest — basically Germany's version of Consumer Reports — disagrees. Ariel Awesome/Flickr hide caption

itoggle caption Ariel Awesome/Flickr

Retired farmer Joe Govert looks at a parcel of family land near Tribune, Kan. It has been enrolled in the Conservation Reserve Program. Charlie Riedel/AP hide caption

itoggle caption Charlie Riedel/AP

Seed corn sits in the hopper of a planter. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

Young broilers nibble feed at a chicken farm in Luling, Texas. The Food and Drug Administration has issued new guidance on how drug companies label antibiotics for livestock. Bob Nichols/USDA/Flickr hide caption

itoggle caption Bob Nichols/USDA/Flickr

Tractors sit on a sugarcane plantation on the land of a Guarani-kaiowá indigenous community in Brazil. Tatiana Cardeal/Courtesy Oxfam hide caption

itoggle caption Tatiana Cardeal/Courtesy Oxfam

TK Dan Charles/ NPR hide caption

itoggle caption Dan Charles/ NPR

A relief worker looks over boxes of aid provided by the U.S. on November 14, 2013 in Leyte, Philippines. Proponents of food aid reform say it makes more sense for the U.S. to buy food donations locally than ship them across the globe. Chris McGrath/Getty Images hide caption

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Illustration by Daniel Horowitz for NPR