1. Institute of System Sciences, Innovation and Sustainability Research (ISIS) and FWF-DK Climate Change, Univ. of Graz; Graz Austria
2. International Institute for Applied Systems Analysis (IIASA); Laxenburg Austria
3. Institute of Environmental Engineering, Univ. of Zielona Góra; Zielona Góra Poland
4. Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB); Potsdam Germany