Most people live in cities, but most food system studies and food security issues focus on the
rural poor. Urban populations differ from rural populations in their food consumption by
being generally wealthier, requiring food trade for their food security, defined as the extent to
which people have adequate diets. Cities rarely have the self-provisioning capacity to satisfy
their own food supply, understood as the extent to which the food consumed by the city's
population is produced from the city's local agro-ecosystems. Almost inevitably, a city's food …