Current signatories
ALBANIA
Tirana
CZECHIA
Prague
DENMARK
Copenhagen
Høje-Taastrup
Roskilde
FINLAND
Espoo
Helsinki
Lappeenranta
Mikkeli
Oulu
Tampere
Turku
FRANCE
Greater Paris Metropolis
Grenoble
GERMANY
Freiburg im Breisgau
HUNGARY
Budapest
ITALY
Florence
Genoa
La Spezia
Prato
LUXEMBOURG
Wiltz