1. University of Sussex, Brighton, UK.
2. University of Delaware, Newark, DE, USA.
3. University of Queensland, Brisbane, Queensland, Australia.
4. United Nations International Resource Panel, United Nations Environment Programme, Nairobi, Kenya.
5. Colorado School of Mines, Golden, CO, USA.
6. London School of Economics, London, UK.
7. Katholieke Universiteit Leuven, Leuven, Belgium.
8. SYSTEMIQ Ltd., London, UK.
9. San José State University, San José, CA, USA.