London and Milan mayors come together to improve air quality in cities
Today, the Mayors of London and Milan will convene experts to explore opportunities to address the global crises of air…
Cities are serious about tackling air pollution
By Claudia López, Mayor of Bogotá The Mayor of Bogotá explains how London’s Ultra Low Emission Zone (ULEZ) inspired Bogota’s...
Green News Digest: Day 3 at the C40 Summit
Catch up on the highlights from the third and final day of the C40 World Mayors Summit 2022 in Buenos…
Youth climate leaders and mayors unite to launch first-ever global network of city-youth climate councils 
Youth leaders and mayors pledged to remain united to ensure young people are engaged in every city to deliver climate…
Record investment in C40 cities in the Global South projected to access over $1 billion to tackle the climate emergency
C40 announced unprecedented investment for climate projects for its cities in the Global South.
Global cities convene in London to tackle triple threat of congestion, air pollution and the climate emergency
Mayor of London and Chair of C40 Cities Sadiq Khan is convening global cities to accelerate city-led action on the…