This report builds upon the Growing food in cities report. Whereas the emphasis of Growing food in cities was very much on the potential benefits of urban agriculture, this report focuses on what the actual benefits have been, and on the feasibility of developing food growing activities further, given London's specific social, economic and environmental context.

In November 2008 the Greater London Authority published a report on London's food related greenhouse gas emissions.

This discussion paper explores some of the challenges that come with taking a global perspective on sustainable farming and food. In particular the paper explores six key questions: