After the apocalypse: Urban and near-urban farming may be enough to sustain mid-size cities

After the apocalypse: Urban and near-urban farming may be enough to sustain mid-size cities

A new study suggests that, in the case of global catastrophe, urban agriculture alone could sustain only about one fifth of the population of a temperate, median-sized city, but the whole city could be fed by also farming land within a short distance of the urban area.