Discusses how urban agriculture can help revolutionize the environmentally unsustainable modern food industry, providing evidence of thriving urban farms within "food deserts" and describing the global movement towards alternative food production.

The facade of the modern grocery store -- Industrial food -- Industrial eaters -- A world in food crisis -- The new food movement and the rise of urban agriculture -- Paris: the roots of modern urban agriculture -- London, capital growth -- Southern California and Los Angeles: a tale of two farms -- Vancouver: Canada's left coast -- Toronto: Cabbagetown 2.0 -- Milwaukee: growing a social revolution -- Detroit: praying for an economic revolution -- Chicago: the vertical farm -- Cuba: urban agriculture on a national scale -- Conclusion: greening and eating our cities.