Climate mayors and C40 support another step towards decarbonising the U.S. transportation sector
C40 supports the U.S. Environmental Protection Agency's adoption of a final rule for Multi-Pollutant Emissions Standards for Light-Duty and Medium-Duty…
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…
COP28 catch-up #2: What have city leaders been up to?
Check out our highlights from 5 – 8 December at COP28
In Focus: UN Climate Ambition Summit and NYC Climate Week
A round-up of C40's highlights, key announcements and mayors' global climate leadership from the UN Climate Ambition Summit and NYC…
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...
At UN talks, global mayors lead the way to a fossil-free future
Evidence by C40 shows the payoff of well-designed policies and strategic investments, with more than 14 million green jobs already…