Governments
- European Commission, DG Regional and Urban Policy
- Advisory Services in Environmental Management (ASEM), GTZ
- Agence de la transition écologique (ADEME)
- Agence Française de Développement (AFD)
- Bavarian Environment Agency (LfU)
- Bulgarian Ministry of Energy
- Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA)
- Bundesministerium für Nachhaltigkeit und Tourismus (Österreich, BMNT)
- Carl-Duisberg Gesellschaft e.V. (CDG)
- Consulate General of the Kingdom of the Netherlands in Munich
- Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH
- European Commission, DG International Partnerships (INTPA)
- Expertise France
- Federal Agency for Agriculture and Food (BLE)
- Federal Agency for Nature Conservation (BfN)
- Federal Department of Foreign Affairs (FDFA), Switzerland
- Federal Foreign Office (AA)
- Federal Highway Research Institute (BASt)
- Federal Institute for Geosciences and Natural Resources (BGR)
- Federal Ministry for Digital and Transport (BMDV)
- Federal Ministry for Economic Affairs and Climate Action (BMWK)
- Federal Ministry for Economic Affairs and Energy (BMWi)
- Federal Ministry for Economic Cooperation and Development (BMZ)
- Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU)
- Federal Ministry for the Environment, Nature Conservation, Nuclear Safety and Consumer Protection (BMUV)
- Federal Ministry of Agriculture, Forestry, Environment and Water Management (BMLFUW), Austria
- Federal Ministry of Education and Research (BMBF)
- Federal Ministry of Labour and Social Affairs (BMAS)
- Federal Ministry of Transport and Digital Infrastructure (BMVI)
- Federal Ministry of Transport, Innovation and Technology (BMVIT), Austria
- Federal Office for Economic Affairs and Export Control (BAFA)
- Freie und Hansestadt Hamburg, Behörde für Umwelt und Energie
- German Advisory Council on Global Change (WBGU)
- German Embassy Ottawa
- Government of Flanders
- Government of the Netherlands, Ministry of Foreign Affairs
- IADB - Nepalese Ministry of Tourism and Civil Aviation
- Indian Renewable Energy Development Agency Ltd (IREDA)
- InWEnt - Capacity Building International
- KfW-Bankengruppe
- Lux-Development S.A.
- Luxembourg Development Cooperation Agency (LuxDev)
- Minister of the Environment, the Fight Against Climate Change, Wildlife and Parks, Québec
- Ministerium für Energiewende, Landwirtschaft, Umwelt, Natur und Digitalisierung (MELUND) Schleswig-Holstein
- Ministry of Environment, Health and Consumer Protection, Brandenburg
- Ministry of the Environment and Conservation, Agriculture and Consumer Protection, North Rhine-Westp
- Ministry of the Environment, Climate Protection and the Energy Sector
- National Centre for Environmental Education, Rhineland-Palatinate
- NRW.INVEST (Economic Development Agency of the German State of North Rhine-Westphalia)
- Office National de l’Electricité (ONE), Morocco
- Office of Technology Assessment at the German Parliament (TAB)
- Province of British Columbia, Ministry of Environment, Climate Action Secretariat
- Royal Norwegian Ministry of Climate and Environment
- Stadt Pirna
- Swiss Agency for Development and Cooperation (SDC)
- The Netherlands' Ministry of Foreign Affairs
- The Working Group on Water Issues (LAWA)
- U.S. Department of State
- Umweltbundesamt (UBA)
- United States Agency for International Development (USAID)
- Zukunft – Umwelt – Gesellschaft (ZUG) gGmbH
