Curitiba: From landfill to solar revolution
In March 2023, Curitiba officially launched its Solar Pyramid, a landmark project representing the first solar plant to be built…
C40 releases 2022 Annual Report
Access C40’s 2022 Annual Report, with a foreword co-authored by Sadiq Khan, Mayor of London and Chair of C40 Cities…
Thirteen C40 cities commit to boosting public health by slashing waste emissions
Thirteen Global South cities have signed up to C40’s Pathway Towards Zero Waste, aiming to slash waste emissions and set…
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…
C40: 2021 in focus
A round-up of the key activities and achievements of C40 Cities in 2021.