Mayors to COP27 leaders: Support and learn from impactful city climate action
The best way to protect people everywhere from rising prices, polluted air and extreme weather, and to secure good jobs…
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...
The single most important action cities can take
Mark Watts, C40 Executive Director, highlights the transformative power of active travel to reduce emissions, improve health and achieve greater…
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.
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.