Greenpeace activists hold signs during a protest against the cultivation of transgenic maize outside SAGARPA in Mexico City

 
Greenpeace activists hold signs during a protest against the cultivation of transgenic maize outside SAGARPA  in Mexico City
Greenpeace activists hold signs during a protest against the cultivation of transgenic maize outside SAGARPA (Secretariat of Agriculture, Livestock, Rural Development, Fisheries and Food) in Mexico City March 6, 2012. The posters read: "Mexico, ban GE (genetically modified) maize now!" (back C) and " Mayorga, they are calling you! Prohibition to transgenic maize". (Francisco Mayorga is the agriculture minister). REUTERS/Edgard Garrido (MEXICO - Tags: ENVIRONMENT CIVIL UNREST AGRICULTURE)