1 School of Natural Sciences, College of Environmental Science and Engineering, Bangor University, Bangor, UK.
2 Centre for Environment and Economic Policy, University of Western Australia, Perth, Western Australia, Australia.
3 Department of Geosciences and Geography, Faculty of Science, University of Helsinki, Helsinki, Finland.
4 Carey Business School and Department of Environmental Health and Engineering, a joint department of the Bloomberg School of Public Health and the Whiting School of Engineering, Johns Hopkins University, Baltimore, Maryland, USA.
5 Centre for Macroecology, Evolution and Climate, Globe Institute, University of Copenhagen, Copenhagen, Denmark.
6 Global Development Institute, The University of Manchester, Manchester, UK.
7 Department of Geography, University of Cambridge, Cambridge, UK.