How global cities are taking action on an invisible killer
Mark Watts, Executive Director of C40 Cities, reflects on cities' progress in tackling air pollution and improving air quality for…
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…
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…
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…