Celebrating the winners of the third Students Reinventing Cities competition
Over 1,300 participants from 100 universities joined the third Students Reinventing Cities challenge. Learn about the most recent winners.
The lasting legacy of Women4Climate
The Women4Climate community has achieved so much to be proud of in seven years, now made up of 1,000 women…
17 cities join C40’s third Students Reinventing Cities competition, calling on youth to redesign urban areas
Young people across the globe are invited to develop ideas for cities to create green and thriving neighbourhoods that improve…
Cities share action on green jobs ahead of the UN Climate Ambition Summit
As C40, mayors, and global leaders gather in New York City for the UN Climate Ambition Summit, cities share how...
C40 North America mayors’ response to wildfires and air quality crisis in the region
"As Mayors of impacted cities, we are deeply concerned about the current air quality crisis in east coast US and…
C40 releases 2022 Annual Report
Access C40’s 2022 Annual Report, with a foreword co-authored by Sadiq Khan, Mayor of London and Chair of C40 Cities…