Peter Newell is Professor of International Development at the University of East Anglia and currently holds an ESRC Climate Change Leadership Fellowship. He has worked on climate change issues for over 16 years as a researcher, consultant and activist and is author of Climate for Change (CUP, 2000) and co-author (with Matthew Paterson) of Climate Capitalism (CUP, 2010). Harriet Bulkeley is a Reader at the Department of Geography at Durham University. Her research interests are in the nature and politics of environmental governance with a focus on climate change and urban sustainability. She is co-author (with Michele Betsill) of Cities and Climate Change (2003), and currently holds an ESRC Climate Change Leadership Fellowship.