Most of us live in cities. These are becoming increasingly complex and removed from broad-scale agriculture. Yet within cities there are many examples of greenspaces and local food production that bring multiple benefits that often go unnoticed. This book presents a collection of the latest thinking on the multiple dimensions of sustainable greenspace and food production within cities. It describes the diversity of ‘urban agriculture’ and seeks a balanced representation between the biophysical and the social. It deals with urban agriculture across scales – from indoor plants to farm-scale filtration of greywater. A range of examples and initiatives from both developed and developing countries is described and evaluated.