1. Sustainability Science Program, Kennedy School of GovernmentHarvard University Cambridge MA USA
2. Department of EconomicsCa' Foscari University of Venice Venice Italy
3. Now at European Commission, Joint Research Centre (JRC) Ispra Italy
4. Department of Civil and Environmental EngineeringUniversity of South Florida Tampa FL USA
5. Now at Goddard Earth Sciences Technology and ResearchUniversities Space Research Association Columbia MD USA
6. Now at Global Modeling and Assimilation OfficeNASA Goddard Space Flight Center Greenbelt MD USA
7. Now at Jet Propulsion LaboratoryCalifornia Institute of Technology Pasadena CA USA
8. Faculty of Arts and SciencesHarvard University Cambridge MA USA
9. Now at Department of Energy EngineeringFederal University of Alagoas Maceió Brazil
10. Now at EPE, Empresa de Pesquisa Energética Rio de Janeiro Brazil
11. Deceased 12 November 2014