Climate change has helped a small town become the world capital of french fry production. But a dwindling water supply could reverse its progress entirely.
Garden Organic, a charity working with Jongga, has estimated that many hundreds of varieties of vegetables, once widely available as seed and produce, have disappeared.
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.