1. Oeko-Institut, Berlin, Germany.
2. Institute of Energy, Environment and Economy, Tsinghua University, Beijing, China.
3. John F. Kennedy School of Government, Harvard University, Cambridge, MA, USA.
4. Environmental Defense Fund, New Orleans, LA, USA.
5. Stockholm Environment Institute, Seattle, WA, USA.
6. Crawford School of Public Policy, Australian National University, Canberra, Australia.
7. Energy Research Centre, University of Cape Town, South Africa.
8. Koru Climate, Bonn, Germany.
9. Compass Climate, Paekakariki, New Zealand.