Climate Week NYC is back – and bigger than ever

September 17, 2025 2 min read

Climate Week NYC 2025: Power On

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.

A global line up of leaders

Climate Week NYC 2025 will feature unprecedented levels of government participation, with confirmed leaders including:

Ursula von der Leyen, President of the European Commission
Dr. William Ruto, President of Kenya
Philip Davis, Prime Minister of The Bahamas
Gaston Browne, Prime Minister of Antigua and Barbuda
Chris Bowen MP, Australia’s Minister for Climate Change and Energy
Ralph Regenvanu, Minister of Climate Change, Republic of Vanuatu
Lars Aagaard, Denmark’s Minister for Climate, Energy and Utilities
Rob Bonta, California Attorney General
Doreen Harris, President & CEO, NYSERDA

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.

Official events map

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.

Official events calendar

The Climate Week NYC official events calendar is your complete guide to the week. Highlights for 2025 include:

AY’s Road to 1000 powered by Battery Tour – a clean-energy concert in Times Square, September 20.
Formula-E Race Car showcase – Fortescue’s cutting-edge battery and charging technology on display.
Climate Film Festival – visionary climate storytelling, September 19–22.
Major announcements from businesses, governments, and civil society to accelerate global action.

Join the movement

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.