1. Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, Potsdam, Germany
2. Institute of Physics, Potsdam University, Potsdam, Germany
3. Section for Quantitative Sustainability Assessment, Department of Technology, Management and Economics, Technical University of Denmark, Kongens Lyngby, Denmark
4. Institute of Environmental Science (CML), Department of Industrial Ecology, Leiden University, Leiden, Netherlands
5. Mercator Research Institute for Global Commons and Climate Change, Berlin, Germany