The C40 Summit is a critical moment ahead of COP27 to share and learn from cities' climate action successes. The Summit will take place from 19—21 October.

A diverse coalition of thought leaders and influential decision-makers will showcase innovative solutions, expertise and perspectives around three key pillars; a fair and inclusive pandemic recovery, wellbeing cities, and the urgent need for climate finance.

The C40 Summit venue is the Buenos Aires Convention Centre (CEC), with side events taking place at a variety of locations across the city. Access the venue map and learn more about side event locations.

October 19 October 20 October 21

All times listed are Buenos Aires local time (ART).