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?
C40 Cities Finance Facility announces call for cities to apply for award-winning climate action support
The C40 Cities Finance Facility (CFF) is excited to announce its latest ‘Call for City Applications’ to advance climate action…
Mayors call for global leaders to partner with cities on climate as new poll shows Brazilians support city-led response
More than 70 mayors and city leaders from around the world will arrive in Rio de Janeiro this week for...
C40 Co-Chair Mayor Aki-Sawyerr champions International Energy Agency’s call for a clean energy transition
C40 Co-Chair and Mayor of Freetown, Yvonne Aki-Sawyerr, has welcomed the International Energy Agency’s (IEA) call for a people-centred clean…
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…
Eight million climate migrants predicted to arrive in ten Global South cities by 2050 if emissions don’t fall
New research by C40 Cities and partners reveals millions of people could be displaced to ten cities in Africa, South…