The Opening Ceremony

Climate Week NYC officially kicks off with the Opening Ceremony on Monday, September 21, 2026.

Explore the agenda

The highest level of climate leaders from business government and civil society will share their views on the world we’re shaping, in flagship sessions, inspiring keynotes, and frank panel debates.

Highlights from last year’s Opening Ceremony included bold discussions with Mark Ruffalo, Actor and Co-Founder of The Solutions Project, Gloria Walton, CEO of The Solutions Project, and Gaston Browne, Prime Minister of Antigua and Barbuda.

See the full speaker list.

Watch Part One and Part Two on demand.

How to get involved in 2026

Get in touch for more details regarding sponsorship opportunities
Please direct media inquiries to media@climategroup.org
Submit a speaker request form if you're interested in participating
For general inquiries on attending please email events@climategroup.org