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…
What happened at Climate Week NYC?
C40's highlights from the 2024 Climate Week in New York City
Mayors, governors and subnational leaders call for greater action on fossil fuels from Heads of State at UN Summit
Ahead of the UN Summit of the Future, mayors are urging Heads of State to step up action and leave…
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…
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…
Greening the grey: Mayors Khan, Plante unveil C40 ‘rewilding’ guide for cities in London
London Mayor and C40 Chair Sadiq Khan and Montreal Mayor Valérie Plante met in London to discuss city collaborations on…