Libby Robin is Professor of environmental history in the Fenner School of Environment and Society at the Australian National University and a senior research fellow at the National Museum of Australia, Canberra. Sverker Sorlin is Professor of environmental history at the KTH Royal Institute of Technology, Stockholm, and co-founder of the KTH Environmental Humanities Laboratory. Paul Warde is Reader in environmental and economic history at the University of East Anglia, an associate lecturer at the University of Cambridge, and associate research fellow at the Centre for History and Economics at Cambridge.