From September 21–28, Climate Week NYC returns with a record-breaking number of events, bringing together global leaders, innovators, communities, and changemakers.
Now in its 16th year, it has grown into the most significant international climate gathering outside of COP.
This year’s theme is Power On – a call to stay focused, ambitious, and determined to keep driving climate progress. Whether you’re joining us in New York City or tuning in from afar, you’re invited to be part of this critical moment in the global climate conversation.
This year’s edition will host inspiring heads of government, ministers and climate envoys, alongside leaders from business, technology, academia, and civil society. From high-level policy gatherings to community-led experiences, Climate Week NYC is where the most urgent climate issues are brought into focus to drive meaningful action.
Climate Week NYC 2025 will feature unprecedented levels of government participation, with confirmed leaders including:
They’ll be joined by influential voices including Simon Stiell (UNFCCC), Celeste Saulo (WMO), Damilola Ogunbiyi (SEforAll), Ana Toni (COP30 CEO), and high-profile activists including Jane Fonda, and Mark Ruffalo.
With more than 1,000 events across the city and online, the official Climate Week NYC map is the best way to explore and plan your experience. From roundtable sessions to grassroots community gatherings and cultural showcases, the map makes it easy to find the events that matter most to you.
The Climate Week NYC official events calendar is your complete guide to the week. Highlights for 2025 include:
The world is changing at an astonishing speed. From energy security to climate finance, from AI to clean jobs, the challenges and opportunities before us are immense. Climate Week NYC 2025 is a chance to confront these realities and accelerate solutions together.
This September, New York City will once again be the epicenter of global climate action. Power on, and be part of it.