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 that reads, "Mayorga, they are calling you! Prohibition to transgenic maize" during a protest against the cultivation of transgenic maize outside SAGARPA (Secretary of Agriculture, Ranching, Rural Development, Fisheries and Food supply) in Mexico City March 6, 2012. Francisco Mayorga is Secretary of SAGARPA. REUTERS/Edgard Garrido (MEXICO - Tags: ENVIRONMENT CIVIL UNREST)