World Food Day on 16 October reminds us that 821 million people in the world are undernourished and that sustainable agriculture requires mainstreaming of biodiversity.

Farmers across the world are facing difficult times. Unpredictable weather patterns make it difficult to know exactly when to plant and when to harvest crops. Big commercial farmers are also coming under fire for “monoculture” – the cultivation of a single crop over vast areas, often using harmful pesticides, which can drastically reduce the variety of plants, insects and animals across a landscape