Mexico is fighting to keep U S corn out of its tortillas nationalgeographic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nationalgeographic.com Daily Mail and Mail on Sunday newspapers.
Food systems are both a significant driver and victim of the triple planetary crisis of climate change, pollution and biodiversity loss. More than 3 billion people are not able to afford healthy diets, contributing to all forms of malnutrition, while many environmental systems and processes in the food value chain are pushed beyond safe planetary boundaries.