C40's 2024 annual report is here. Read the foreword written by co-chairs Mayor of London Sadiq Khan and Mayor of Freetown Yvonne Aki-Sawyerr.| C40 Cities
More than 70 mayors and city leaders from around the world will arrive in Rio de Janeiro this week for the annual Urban 20 Summit (U20).| C40 Cities
C40 Co-Chair and Mayor of Freetown, Yvonne Aki-Sawyerr, has welcomed the International Energy Agency’s (IEA) call for a people-centred clean energy transition| C40 Cities
Ahead of the UN Summit of the Future, mayors are urging Heads of State to step up action and leave fossil fuels behind.| C40 Cities
