We signed
169 representatives of a public administration at local, regional, national or European level, have signed the Declaration.
| Position | Public Administration | Level Sort descending | Country |
|---|---|---|---|
| Mayor | Gemeente Enschede | Local | Netherlands |
| Mayor | City of Herne | Local | Germany |
| Mayor | City of Amsterdam | Local | Netherlands |
| Mayor | Ayuntamiento de Genalguacil | Local | Spain |
| Mayor | Municipality of Logatec | Local | Slovenia |
| Mayor | Municipality of Tripolis | Local | Greece |
| Mayor | Ajuntament de Manresa | Local | Spain |
| Vice President | Rennes Métropole | Local | France |
| Director Green Innovation Hub | Municipality of Almere | Local | Netherlands |
| Mayor | City of Pori | Local | Finland |
| Mayor | Comune di Bergamo | Local | Italy |
| Mayor | Szombathely | Local | Hungary |
| Concejal de Innovación, Contratación y Deportes | Ayuntamiento de Santander | Local | Spain |
| Mayor | Municipality of Šmartno pri Litiji | Local | Slovenia |
| Mayor | Ayuntamiento de las Rozas de Madrid | Local | Spain |
| Mayor | Ville de Saint-Quentin | Local | France |
| Director public services | Municipality Maashorst | Local | Netherlands |
| Mayor | City of Porto | Local | Portugal |
| Mayor | City of Aarhus | Local | Denmark |
| Mayor | City of Vantaa | Local | Finland |
| Mayor | Lyon | Local | France |
| Mayor | Municipality of Novo Mesto | Local | Slovenia |
| Mayor | Municipality of Vari-Voula-Vouliagmeni | Local | Greece |
| Mayor | Ajuntament de Lleida | Local | Spain |
| Mayor | City of Dortmund | Local | Germany |
| Mayor | City of Issy-les-Moulineaux | Local | France |
| Mayor | City of Athens | Local | Greece |
| Alderman | City of Utrecht | Local | Netherlands |
| Vice Mayor | Município de Santa Comba Dão | Local | Portugal |
| Mayor | Lublin City Office | Local | Poland |
| Mayor | Município de Guimarães | Local | Portugal |
| Mayor | Ajuntamento de Sant Feliu de Llobregat | Local | Spain |
| Mayor | Municipality of Kavala | Local | Greece |
| Mayor | Riga | Local | Latvia |
| Mayor | Hollands Kroon | Local | Netherlands |
| Mayor | City of Turku | Local | Finland |
| Mayor | Burgas | Local | Bulgaria |
| Mayor | City of Oulu | Local | Finland |
| Deputy Mayor | City of Jyväskylä | Local | Finland |
| Mayor | Município de Penalva do Castelo | Local | Portugal |
| Mayor | Ayuntamiento de Gijon | Local | Spain |
| President | Communauté Paris-Saclay | Local | France |
| Other | Gemeente Amersfoort | Local | Netherlands |
| Mayor | Pilsen | Local | Czech Republic |
| Mayor | Milan | Local | Italy |
| Mayor | Ayuntamiento de Barcelona | Local | Spain |
| Vice President | Kraków Municipality | Local | Poland |
| Mayor | City of Braga | Local | Portugal |
| Vice Mayor | Município de São Pedro do Sul | Local | Portugal |
| Mayor | Ajuntament de Valencia | Local | Spain |
