1. Fondazione Eni Enrico Mattei, 30124 Venice, Italy.
2. Ca' Foscari University of Venice, 30123 Venice, Italy.
3. Mercator Research Institute on Global Commons and Climate Change, 10829 Berlin, Germany.
4. Potsdam Institute for Climate Research, 14473 Potsdam, Germany.
5. Technische Universität Berlin, 10623 Berlin, Germany.
6. Hertie School of Governance, 10117 Berlin, Germany.
7. Stanford University, Stanford, CA 94305, USA.
8. Harvard University, Cambridge, MA 02138, USA.