Brazilian cities accelerate urban climate action as COP30 implementation legacy consolidates at the local level
One year after COP30, in Belém, cities across Brazil have already begun turning climate commitments into action. Across different regions...
C40 2025 Annual Report: How cities are strengthening local leadership to ensure a fairer, healthier future
Read the foreword for the C40 Cities Annual Report 2025, written by the C40 Co-Chairs, Mayor of London Sadiq Khan...
Making this fossil fuel crisis Europe’s last
Dear President von der Leyen, Your State of the European Union address comes at a defining moment. This summer, Europeans...
Call for papers: Open call issue 6.1
The Journal of City Climate Policy and Economy is seeking original research and policy guidelines for an open-call issue.
COP30 needed to innovate for implementation – it fell short
The final mutirão decision of the COP30 negotiations falls short on several of its original goals. Despite a positive agenda...