Includes bibliographical references and index.

Derek Wall explores the relationship between common pool property and resources, and ecological sustainability. The debate between Hardin, who developed the idea of the t̀ragedy of the commons' and Elinor Ostrom who showed commons could be sustainable, is discussed. The enclosure of the commons is examined. The contribution of virtual commons, social sharing to reduce resource use and conservation via commons are all critically discussed. The need to link cultural change, political action and ecological ethics to protect future generations is examined.