Global network of mayors react to President Trump withdrawing the US from the Paris Climate Agreement
President Trump has confirmed that he will once again withdraw the United States from the Paris Climate Agreement in his...
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 Finance Facility announces call for cities to apply for award-winning climate action support
The C40 Cities Finance Facility (CFF) is excited to announce its latest ‘Call for City Applications’ to advance climate action…
Mayors call for global leaders to partner with cities on climate as new poll shows Brazilians support city-led response
More than 70 mayors and city leaders from around the world will arrive in Rio de Janeiro this week for...
What happened at Climate Week NYC?
C40's highlights from the 2024 Climate Week in New York City