COP28 Statement: The transformation is unstoppable
As COP28 enters its second week, C40 joins more than 800 signatories and counting from across business, finance, philanthropy, politics,...
African Mayors’ Call to Action
African mayors unite for climate action implementation and green job creation We, the undersigned African mayors, are reaching out to...
Empowering African youth for a sustainable future in African cities
Statement presented by Juliet Oluoch, Research Associate at the Africa Research and Impact Network and member of the C40 Youth…
C40 celebrates one year of the Inflation Reduction Act, applauds mayors taking action
One year ago today, the historic Inflation Reduction Act was passed in the United States. C40 applauds US mayors taking…
C40 North America mayors’ response to wildfires and air quality crisis in the region
"As Mayors of impacted cities, we are deeply concerned about the current air quality crisis in east coast US and…
Cities are serious about tackling air pollution
By Claudia López, Mayor of Bogotá The Mayor of Bogotá explains how London’s Ultra Low Emission Zone (ULEZ) inspired Bogota’s...