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

 
Greenpeace activists hold signs during a protest against the cultivation of transgenic maize on the outskirts SAGARPA, in Mexico City
Greenpeace activists hold signs during a protest against the cultivation of transgenic maize on the outskirts SAGARPA (Secretary of Agriculture, Ranching, Rural Development, Fisheries and Food supply), in Mexico City March 6, 2012. The poster reads, "Mexico ban GE (genetically engineered) maize now" and "Mayorga, they are calling you! Prohibition to transgenic maize" (Francisco Mayorga is Secretary of SAGARPA). REUTERS/Edgard Garrido (MEXICO - Tags: ENVIRONMENT CIVIL UNREST)