Cities lead the world in climate action as C40 World Mayors Summit 2025 begins in Rio
Rio de Janeiro, Brazil (3 November 2025) – Mayor of London Sadiq Khan and Mayor of Rio de Janeiro Eduardo...
Bloomberg Philanthropies names 26 cities as finalists for the 2025 Local Leaders Awards
Today, Bloomberg Philanthropies announced the finalists for the 2025 Bloomberg Philanthropies Local Leaders Awards, which recognise the best policies, projects, or...
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...