It’s in the Air: Clean air zones are improving public health and ending our dependence on fossil fuels
Learn about C40 Cities' It's in the Air campaign, which focused on clean air zones as a major solution to…
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…
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…
C40 launches global networks to facilitate youth engagement in city climate action
Today, C40 Cities is announcing new support for mayors and youth to help them co-create equitable solutions and work together...
C40 releases 2022 Annual Report
Access C40’s 2022 Annual Report, with a foreword co-authored by Sadiq Khan, Mayor of London and Chair of C40 Cities…