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…
Cities taking action to reduce water hazards and improve residents’ quality of life
More than half of the world’s population live in urban areas, which face water-related climate hazards such as water scarcity...
C40: 2022 highlights
With contributions from C40 Chair, Mayor of London Sadiq Khan, and C40 Executive Director Mark Watts Foreword by C40 Chair,...
Fossil gas is as harmful as coal
By C40 Executive Director Mark Watts At a meeting shortly before the beginning of COP27, 17 gas-exporting governments pledged to...