1. Mercator Research Institute on Global Commons and Climate Change (MCC), 10829 Berlin, Germany.
2. Technical University Berlin, 10623 Berlin, Germany.
3. Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany.
4. PBL Netherlands Environmental Assessment Agency, 3720AH Bilthoven, Netherlands.
5. Copernicus Institute of Sustainable Development of Geosciences, Utrecht University, 3584CS Utrecht, Netherlands.
6. International Institute for Applied Systems Analysis (IIASA), 2361 Laxenburg, Austria.
7. Hertie School of Governance, 10117 Berlin, Germany.