Connective Cities
ODI
Network of Associations of Local Authorities of South East Europe (NALAS)
United Nations Educational, Scientific and Cultural Organization - UNESCO
United Cities and Local Governments - UCLG
OECD
PREVENT Waste Alliance, Wuppertal Institut für Klima, Umwelt, Energie gGmbH
Verband kommunaler Unternehmen e.V. (VKU)
IGC Cities that Work Policy Brief