Climate Week NYC 2026
Climate Week NYC is the world's largest climate event, convening more than 100,000 people across 1,000+ events in New York City each September alongside the UN General Assembly.
- Dates
- September 20–27, 2026
- Location
- New York City, United States
- Attendance
- 100,000+
- Events
- 1,000+
TL;DR
- Climate Week NYC 2026 runs September 20–27 across New York City.
- The event spans more than 1,000 independently hosted events and draws more than 100,000 attendees.
- Participation is through the official Events Program, open to businesses, governments, communities and individuals.
- It is organized by Climate Group and timed to coincide with the UN General Assembly.
About
Climate Week NYC is organized by Climate Group, an international organization that has driven climate action for over 20 years by convening leaders across business and government. The event is self-described as the world's largest climate event, bringing together more than 100,000 people across more than 1,000 events in New York City. It runs alongside the UN General Assembly, positioning it as a convening point for decision-makers shaping capital, policy and markets across sectors and regions.
Who you'll find in the room
Global leaders in markets and policy
Leaders shaping markets and policy who connect with communities driving change on the ground.
Decision-makers and experts
Decision-makers and experts shaping capital, policy and markets across sectors and regions, convened alongside the UN General Assembly.
Businesses, governments, communities and individuals
Entities engaging through the official Events Program as the primary participation channel.
Questions people ask
7 answeredClimate Week NYC 2026 runs September 20–27, 2026.
More than 100,000 people attend across more than 1,000 events held throughout New York City during the week.
Climate Week NYC takes place across New York City; it does not have a single venue, as it spans more than 1,000 independently hosted events city-wide.
The organizer has not published ticket prices or registration fees on the official site; the event is accessed through the official Events Program, which is the primary way for businesses, governments, communities and individuals to participate.
Attendees include global leaders shaping markets and policy, decision-makers and experts across sectors and regions, and businesses, governments, communities and individuals participating through the official Events Program.
The organizer has not published pricing on the official site; participation is through the official Events Program and individual event hosts set their own terms.
For climate-focused professionals, the event's draw is its timing alongside the UN General Assembly and the concentration of policy, capital, and market decision-makers in one city for one week. Whether attendance fits your goals depends on your sector, seniority and the specific events you can access within the city-wide program. The organizer does not publish attendee satisfaction data or a formal ROI assessment.
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