- KTH Royal Institute of Techno
- Asociata Pur Si Simplu Verde (PSV)
- Stiftelsen Frischsenteret for Samfunnsokonomisk Forskning (FRISH)
- Fundacja Instytut Reform
- Institut fur Klimaschutz Energie und Mobilitat-recht, Okonomie und Politik EV (IKEM)
- University of Melbourne
- Artelys
- E3-Modelling
- TU WIEN, Technische Universität Wien, TUW
- Fondazione Centro Euro-Mediterraneo sui Cambiamenti Climatici
- Asociacion BC3 Basque Centre for Climate Change – Klima Aldaketa Ikergai (BC3)
- Institute for European Environmental Policy (IEEP)
- University of Strathclyde
- COMILLAS, Universidad Pontificia Comillas
- Fraunhofer, Fraunhofer-Gesellschaft
- Potsdam Institute for Climate Impact Research PIK
- IfW Kiel, Institut Fuer Weltwirtschaft
- Aarhus University
- Stiftung Wissenschaft und Politik, SWP
- 17. Universiteit Utrecht
- Osterreichische Forschungsstiftung fur Internationale Entwicklung (OFSE)
- Universita Degli Studi di Firenze
- Vrije Universiteit Brussels, (VUB
- Climate Analytics GMBH
- Universita Commerciale Luigi Bocconi (UB)
- University of Hamburg
- University of Aberdeen
- ETH Zürich
- PBL, PBL Netherlands Environmental Assessment Agency
- TNO
- E-think
- International Institute for Applied Systems Analysis (IIASA)