Mexican president Andrés Manuel López Obrador quietly rocked the agribusiness world with his New Year’s Eve decree to phase out use of the herbicide glyphosate and the cultivation of genetically modified corn. His administration sent an even stronger aftershock two weeks later, clarifying that the government would also phase out GM corn imports in three years and the ban would include not just corn for human consumption but yellow corn destined primarily for livestock. Under NAFTA, the United States has seen a 400% increase in corn exports to Mexico, the vast majority genetically modified yellow dent corn.

Every harvest season, Susan Zinoro, a mango farmer from Mutoko, Zimbabwe, buries half the mangoes she’s grown that season. They have already started rotting either on the tree or have fallen to the ground before harvest. It’s a difficult task for Zinoro because she knows she is throwing away food and income meant for her family.