Global cities convene in London to tackle triple threat of congestion, air pollution and the climate emergency
Mayor of London and Chair of C40 Cities Sadiq Khan is convening global cities to accelerate city-led action on the…
Global Mayors will tackle the climate crisis at C40 World Mayors Summit
Mayors will gather in Buenos Aires for triennial conference on local climate action and securing a sustainable, equitable future Summit...
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.
‘Letter to Nature’ by Mayor of Guadalajara, Pablo Lemus Navarro
In a 'letter to nature', read what the Mayor of Guadalajara, Pablo Lemus Navarro, has to say about nature in…