1. International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria.
2. Tyndall Centre for Climate Change Research, University of East Anglia, Norwich, UK.
3. Instituto Universitário de Lisboa (ISCTE-IUL), DINÂ MIA'CET, Lisbon, Portugal.
4. School of Resource and Environmental Management, Simon Fraser University, Burnaby, Canada.
5. Transport Canada, Ottawa, Canada.
6. Department of Civil and Environmental Engineering, Imperial College London, London, UK.