Just three plant species – wheat, maize and rice – account for 60% of all food eaten globally. A crop science expert argues that many of Africa’s 30,000 edible plants must be revived.
Over half the calories humans eat today come from corn, wheat and rice. Raising a greater diversity of types of crops and animals (agrobiodiversity) makes diets healthier and farming more resilient.
Professor of Climate Change, Food Systems and Health in the Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine