Cities continue to deliver a just maritime transition, despite global shipping talks reaching a deadlock
London, United Kingdom (17 October 2025) – C40 Cities Director of Ports and Shipping Alisa Kreynes said, “The inability to...
How London’s Green Economy Design Lab is supporting construction businesses to strengthen and diversify their workforces
London’s Green Economy Design Lab is helping close green skills gaps and building diverse workforces to meet city clean construction…
A look back at London Climate Action Week 2025
Turning climate ambition into reality Across the world, cities and their mayors are driving climate solutions forward. At a time...
The Ramboll Foundation announces strategic partnership with C40 Cities
C40 Cities and the Ramboll Foundation, together with experts from Ramboll, aim to accelerate urban resilience and put community wellbeing...
20 Years of C40 Cities: Local Leadership Driving Global Climate Action
From London in 2005 to 97 of the world’s largest cities in 2025, C40 Cities marks two decades of unwavering...
C40 World Mayors Summit to be held in Rio de Janeiro on the eve of COP30
London and Rio de Janeiro (June 24 2025) – The Mayor of London and Co-Chair of C40 Cities Sadiq Khan...