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...
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...
Laneshift supports Rio de Janeiro in launching its first public fast-charging station
Rio de Janeiro has taken a major step toward sustainable mobility with its first public fast-charging station for electric and…
Healthy Cities Challenge winners are shaping Green and Thriving Neighbourhoods
In April 2024, Novo Nordisk, in partnership with C40, launched the Healthy Cities Challenge, to seek innovative projects to improve...
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…
C40 Cities united: How our global peer network is creating lasting good green jobs
Since 2022, C40’s Good, Green Jobs and Just Transition peer group has showcased how climate action can good green jobs.