C40 has
96
member cities
Making up more than
20%
of the global economy1
C40 WORLD MAYORS SUMMIT
Buenos Aires
19–21 October 2022
The C40 World Mayors Summit is our triennial climate action conference organised in partnership with a C40 member city. This year’s Summit, hosted by the City of Buenos Aires from 19–21 October 2022, will be a hybrid in-person and virtual event.
Sources:
1. Oxford Economics, C40 modelling and World Bank GDP data (2020)