The U.S.-Mexico Corn Conflict Is Popping Off

There’s a Cross-Border Battle Over GMO Crops, Biodiversity, Food Security, and Public Health

On October 19, the United States and Mexico announced that they had formed a panel to review an ongoing dispute over corn. Though drug trafficking and migration tend to take center stage in the relationship between the two countries, for months, they have been engaged in another type of conflict—a food fight.

In 2021, Mexico’s Supreme Court outlawed genetically modified corn seeds, constitutionally enshrining the argument that genetically modified organisms (GMOs) permanently damage biodiversity, that genetic diversity within crops is indispensable for responding to climate change, pests, and disease, and that corn’s diversity in particular …