I traveled to rural Mexico to learn from indigenous farmers. I spent the first half of 2015 in southern Mexico on a Fulbright fellowship to exchange ideas with indigenous farmers like Martinez on how get long-term high yields out of difficult farmland. I had a hunch that rural farmers in Mexico were already modeling some of these practices and not being credited. Corn beans and squash grow together in this milpa tended by Oswaldo Flores. Jesús León Santos, sustainable agriculture coordinator at CEDICAM, an indigenous farming organization in the Mixteca, blames Green Revolution farming technology for the environmental destruction.