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Displaying 1 - 6 of 1291 results
Statement
October 1, 2026
C40 2025 Annual Report: How cities are strengthening local leadership to ensure a fairer, healthier future
Read the foreword for the C40 Cities Annual Report 2025, written by the C40 Co-Chairs, Mayor of London Sadiq Khan...
In Focus
September 30, 2026
Celebrating the Winners of the Fifth Youth Reinventing Cities Global Competition
C40 is proud to announce the winning projects of this year’s global youth design challenge Youth Reinventing Cities (formerly Students...
In Focus
September 25, 2026
New York Climate Week 2026
Catch up on C40’s highlights from New York Climate Week 2026 As New York Climate Week comes to a close,...
Press Release
September 22, 2026
Cities leading the charge on sustainable data centre discussions at New York Climate Week
New York, USA (22 September 2026) – Cities are spearheading a global push to ensure the next generation of data...
In Focus
September 21, 2026
Global decision-making is more effective when cities have a seat at the table
Nearly 1 billion people live in C40 cities. Mayors see firsthand the challenges people face and the solutions that can...
Press Release
September 20, 2026
New York U20 concludes with calls for greater powers, finance and partnerships for cities to deliver on housing, climate and migration
New York U20 concludes with calls for greater powers, finance and partnerships for cities to deliver on housing, climate and...