European Roundtable on Climate Change and Sustainable Transition (ERCST)
Climate Action Network France
Free and Hanseatic City of Hamburg – Ministry of Environment and Energy; General Directorate of Nature Conservation, Landscape Architecture & Energy Division; NGE1 Landscape Planning and Urban Green
Institute for Climate Protection, Energy and Mobility (IKEM)
négaWatt
Energy Cities (ENC)
Climate Alliance (CA)
Lithuanian Energy Institute
International Journalists’ Programmes
University of Cambridge Institute for Sustainability Leadership (CISL)