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 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…
New research shows proposed coal expansion will cost major cities USD 877 billion, cause quarter-of-a-million premature deaths, jeopardise climate goals
Analysis of 61 C40 cities shows strong action to phase out coal and expand renewable, zero-carbon energy could save thousands…
18 outstanding teams announced as winners of students reinventing cities competition
1,100 students from 150 universities respond to the call for ideas to reinvent parts of their cities. 18 teams of...
On the eve of U.S. presidential inauguration, U.S. mayors stand united to act on climate
As U.S. mayors gather in Washington D.C. for the U.S. Conference of Mayors Winter Meeting they sent a clear message that they…