1 Quantitative Sustainability Assessment Division, Department of Environmental and Resource Engineering, Technical University of Denmark (DTU), 2800 Kgs. Lyngby, Denmark. Electronic address: [email protected].
2 Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands; PBL Netherlands Environmental Assessment Agency, The Hague, the Netherlands.
3 Sustainability in Biosystems, Institute of Agrifood Research and Technology (IRTA), Caldes de Montbui, Barcelona, Spain.
4 Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands.
5 Chair of Sustainable Engineering, Technical University of Berlin, 10623 Berlin, Germany.
6 European Commission, Joint Research Centre, Via Enrico Fermi 2749, 21027 Ispra, VA, Italy.
7 Industrial Ecology Programme, Department of Energy and Process Engineering, NTNU, Høgskoleringen 5, 7491 Trondheim, Norway.