C40 Cities launches policy demands for the European Union
C40 Cities unites Europe's mayors to launch policy demands for the new European Union (EU) political mandate.
Clean Air Zones – A Win for People and the Planet
What Mayor Hidalgo is achieving in Paris has been an inspiration for cities around the world, and today, C40 is…
C40 Cities mayors launch global air quality marathon as new poll reveals widespread support
Mayors from C40 cities gather in Paris to launch 'It's In The Air' – a global C40 campaign highlighting people-focused…
What happened at London Climate Action Week?
Catch up on C40's highlights from the 2024 London Climate Action Week
Breathe Cities unveils new cohort of cities to join ambitious initiative to fight toxic air pollution
Announced at COP28, the new Breathe Cities cohort includes Accra, Brussels, Jakarta, Johannesburg, Milan, Nairobi, Paris, Rio de Janeiro and…
C40 announces 22 Green & Thriving Neighbourhood pilot projects
C40’s new Green and Thriving Neighbourhoods Forum will help city practitioners around the world to exchange knowledge and collaborate on…