A woman shops in the produce section at Whole Foods in New York City. The company recently announced it would prohibit produce farmed using biosolids in its stores. Stephen Chernin/Getty Images hide caption

itoggle caption Stephen Chernin/Getty Images

Whole Foods has more than 300 stores and continues to expand. Harry Cabluck/AP hide caption

itoggle caption Harry Cabluck/AP

Salty invasion: Asian carp (top), wild tilapia, lionfish, and European green crabs at a James Beard House event on Wednesday. Courtesy of Food & Water Watch hide caption

itoggle caption Courtesy of Food & Water Watch