C40 releases 2021 Annual Report
An excerpt from C40's 2021 Annual Report written by C40 Chair Mayor of London Sadiq Khan and C40 Executive Director…
Buenos Aires to host C40 World Mayors Summit 2022
Mayor Horacio Rodríguez Larreta today announced that the City of Buenos Aires will host the C40 World Mayors Summit in…
How London’s net zero plans are a win for all Londoners
In a report published today on London's net zero plans, Chair of C40 and Mayor of London Sadiq Khan has…
C40: 2021 in focus
A round-up of the key activities and achievements of C40 Cities in 2021.
Creating a safe and thriving future for climate migrants
Mayor of London Sadiq Khan and Mayor of Dhaka North Mohammad Atiqul Islam discuss climate-driven migration, highlighting cities' leadership in…
A letter by Mayor Eric Garcetti, Chair of C40 Cities 2019–2021
Mayor of Los Angeles Eric Garcetti reflects on his time as the Chair of C40 Cities.