In 2024, C40 cities implemented 73 additional climate actions, taking the total number of actions to 1200. This contributed to a reduction of 7.5% of C40's collective GHG emissions in 2024 compared to 2015. In 2024, approx 75% of C40 cities reduced their emissions faster than their national government. In 2024, CHAMP initiative, designed to build further collaboration between national and subnational governments reached 74 signatories representing 36% of global emissions. SEE SCHEDULE O FOR ADDITIONAL INFORMATION.