C40 Cities and Bogotá win an international Polaris Award for communications campaign on gender equality
Bogotá’s La Rolita bus district operator’s #PrimerAñoLaRolita (First Year La Rolita) campaign earned the Bronze Award in the “Equalities” category, ...
São Paulo and Rio de Janeiro gather global cities to influence G20 at Urban 20 Summit of Mayors
Representatives from over 30 cities convened in Brazil for the Urban 20 (U20) 2024 Mayors’ Summit in São Paulo earlier…
In Focus: London’s global climate leadership
As London Climate Action Week 2024 approaches, join us in celebrating the city’s achievements. Under the leadership of C40 Co-Chair...
Urban loss and damage
How cities are taking inclusive climate action to create an equitable, safe and thriving future for all.
Pope Francis and C40 mayors chart course for climate resilience
C40 mayors met His Holiness Pope Francis for the Vatican's climate resilience summit and made a united call for stronger…
C40 releases 2023 Annual Report
Read the foreword by the C40 Co-Chairs, Mayor of London Sadiq Khan and Mayor of Freetown Yvonne Aki-Sawyerr