C40 Cities: 2024 In Focus
2024 brought challenges for global climate action, but cities around the world continued to lead the way with creativity and…
C40 Cities and U.S. mayors react to the updated NDC plan for the United States
The updated United States Nationally Determined Contribution (NDC) charts a path to net zero, with targets that rely on cities'…
C40 Cities united: How our global peer network is creating lasting good green jobs
Since 2022, C40’s Good, Green Jobs and Just Transition peer group has showcased how climate action can good green jobs.
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…