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...
Statement by C40 Co-Chairs Mayor of London and Mayor of Freetown at the WHO Conference on Air Quality in Cartagena, Colombia
A public statement by C40 Co-Chairs, Mayor of London and the Mayor of Freetown, at the WHO Conference on Air…
Global network of mayors react to President Trump withdrawing the US from the Paris Climate Agreement
President Trump has confirmed that he will once again withdraw the United States from the Paris Climate Agreement in his...
C40 Cities: 2024 In Focus
2024 brought challenges for global climate action, but cities around the world continued to lead the way with creativity and…
Green job revolution: How C40 cities are leading the way
An analysis of 74 C40 cities found global megacities have 16 million good green jobs.
At UN talks, global mayors lead the way to a fossil-free future
Evidence by C40 shows the payoff of well-designed policies and strategic investments, with more than 14 million green jobs already…