C40 celebrates one year of the Inflation Reduction Act, applauds mayors taking action
One year ago today, the historic Inflation Reduction Act was passed in the United States. C40 applauds US mayors taking…
How youth activists and cities can work together on climate
C40 Executive Director Mark Watts on the importance of youth perspectives and involvement in climate action.
C40 North America mayors’ response to wildfires and air quality crisis in the region
"As Mayors of impacted cities, we are deeply concerned about the current air quality crisis in east coast US and…
Invest in our planet and the future of cities
On Earth Day, C40 makes the case for investing in our cities to build a sustainable future that works for…
Solving the global water crisis: what leaders must do now
What leaders must do now to accelerate action, protect millions of lives and create thriving, water-safe cities.
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…