Jane Bicknell works with the Human Settlements Group at the International Institute for Environment and Development (IIED) and is Managing Editor of the international journal Environment and Urbanization. David Dodman is a Researcher in the Human Settlements and Climate Change Groups at the International Institute for Environment and Development (IIED). He is co-editor (with Duncan McGregor and David Barker) of Global Change and Caribbean Vulnerability: Environment, Economy and Society at Risk (UWI Press, forthcoming). David Satterthwaite is a Senior Fellow at the International Institute for Environment and Development (IIED) and is Editor of the journal Environment and Urbanization. He has written or edited various books published by Earthscan, including Squatter Citizen (1989, with Jorge E Hardoy), The Earthscan Reader on Sustainable Cities (1999) and Environmental Problems in an Urbanizing World (2001, with Jorge E Hardoy and Diana Mitlin). He contributed to the Third and Fourth Assessments of the Intergovernmental Panel on Climate Change; in 2004, he was awarded the Volvo Environment Prize.