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...
Meet the Women4Climate Tech Challenge winners and their pioneering projects
For International Women’s Day, learn about the 2020 Women4Climate Tech Challenge winners and their innovative climate solutions implemented in C40…
A spotlight on consumption-based emissions
A look at "The Future of Urban Consumption in a 1.5°C World,” a report published in 2019 by C40 Cities…