Image
![Analysis shows that, for every dollar spent on food, society pays two in health, environmental and economic costs: $5.7 trillion (£4.33 trillion) of this huge annual economic burden is due to how food is produced and how its by-products are managed. Photo: Fotokostic/Shutterstock. Tractor spraying pesticides on vegetable field with sprayer at spring. Photo: Fotokostic/Shutterstock.](/sites/default/files/styles/listing_image_290x218/public/shutterstock_pesticides_tractor_farm.jpg?h=e85f6c07&itok=ADS_lvBv)
Fixing the food system: how cities can truly feed the world
Urban areas can change the broken food system that causes ill-health and environmental degradation
Over half of the world’s 7.7 billion people live in towns and cities. By 2050, more than two thirds of them will do so. Materials, waste, emissions, knowledge and influence follow this population…