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…
C40: 2021 in focus
A round-up of the key activities and achievements of C40 Cities in 2021.
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.
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…
15 mayors to power green and just cities by expanding renewable electricity, addressing energy inequalities
15 mayors from the world’s most influential cities will soon power their communities with renewable energy, as leading global mayors…