Mayors need more powers from central governments to tackle climate crisis
New analysis from C40 Cities suggests efforts to meet climate targets and protect the most vulnerable can be accelerated if…
Ten major African cities sign onto C40 clean air declaration to improve public health and climate
Ten African city leaders today announced their ambitious commitment to improving air quality by joining the C40 Clean Air Cities…
C40 Cities launches research on South Africa green jobs
Ambitious city climate action taken in South Africa could create over 1.8 million jobs and help the country meet its…
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.