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…
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.
Putting gender equality at the heart of climate action
Mayor Joy Belmonte, Mayor Ada Colau and Alexandra Palt make the case for the importance of ensuring that gender equality…
New $1 billion dollar commitment from investors to deliver zero-emission buses in Latin America
A set of investors have committed publicly via the C40 ZEBRA partnership to invest over a billion U.S. dollars for…
From LA to Bogotá to London, global mayors unite to deliver critical city momentum to world leaders tasked with keeping 1.5 degree hopes alive at Glasgow’s COP26
In Glasgow today, C40 Chair Mayor Garcetti announced the successful delivery of UN-backed Cities Race to Zero campaign before handing…