Climate science tells us that 1.5°C is likely to become the most important number in human history
To help mayors of the world’s most influential and powerful cities to deliver on this incredible responsibility and opportunity, C40…
New case study library showcases world-leading city solutions
C40 is pleased to launch a new Case Study Library – making it easier than ever for city officials, researchers, and urban…
Sticking with the optimists
A post from C40 Executive Director Mark Watts Early in the new year the Guardian newspaper asked some of the world’s…
Expert Voices: Antonis Mavropoulos, President of ISWA, on the importance of C40’s Deadline 2020 research
At the end of 2016, just a few days before Donald Trump named Scott Pruitt, the Oklahoma attorney general and a close…
On the eve of U.S. presidential inauguration, U.S. mayors stand united to act on climate
As U.S. mayors gather in Washington D.C. for the U.S. Conference of Mayors Winter Meeting they sent a clear message that they…
C40 Expert Voices: Cr Cathy Oke, Councillor at City of Melbourne
Melbourne is famous for its trees. Our tree-lined boulevards, parks and gardens are internationally renowned. That’s why the City of…