What happened at COP29 in Baku?
C40 Cities reflects on the outcomes of COP29 in Baku, Azerbaijan, and what it means for cities as they lead…
What happened at the U20 Summit in Rio?
What demands do mayors have for national leaders at the G20 Summit and COP29, following a successful U20?
How cities can achieve a just transition with good green jobs for all
Unleashing the power of urban just transitions With nearly 16 million green jobs worldwide, mega-cities are key to driving inclusive...
Youth Reinventing Cities: How C40’s design competitions have given youth a role in planning the cities of tomorrow
Through C40’s Youth Reinventing Cities design competitions, youth actively play a role in shaping a greener, more just urban future…
It’s in the Air: Clean air zones are improving public health and ending our dependence on fossil fuels
Learn about C40 Cities' It's in the Air campaign, which focused on clean air zones as a major solution to…
What happened at Climate Week NYC?
C40's highlights from the 2024 Climate Week in New York City