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Opening Ceremony - Helen Clarkson
Helen Clarkson addresses the Climate Week NYC Opening Ceremony in 2022

Climate Week NYC 2023

What is Climate Week NYC

Climate Week NYC 2023, marks its fifteenth year as the biggest global climate event of its kind. Bringing together the most influential leaders in climate action from business, government, and the climate community, in conjunction with the United Nations General Assembly and the City of New York. Climate Week NYC creates an ambitious platform for our mission to drive climate action. Fast. 

As the organizers of Climate Week NYC, Climate Group hosts a main program of in-person events in New York which include the Climate Week NYC Opening Ceremony and The Hub Live. In addition to this we bring together over 400 events spread across ten themes, in New York and around the world, as part of the wider Climate Week NYC official events program

Climate Week NYC September 17 – 24, is all about coming together to mitigate climate change. Through celebrating climate action, challenging ourselves to do more, and exploring ways to increase ambition, Climate Week NYC inspires, amplifies and provides a global platform for connection and discussion. Through our own core events, opportunities to engage with our partners, and the Climate Week NYC official events program, we invite you to be a part of the biggest climate event on earth. 

OOH campaign
Climate Week NYC 2022 held over 400 events across ten different themes.

Climate Week NYC, by Climate Group

As hosts of Climate Week NYC, Climate Group runs a series of events which form the main program of the week. The Climate Week NYC Opening Ceremony and The Hub Live brings together a global audience of senior leaders from business, government and the climate community. 

Opening Ceremony 

Sunday, September 17

The Opening Ceremony launches Climate Week NYC each year. The agenda is a chance for heads of state, government officials, CEOs, and civil society leaders, to share their global outlook on climate change and climate action. 

In 2023, we'll be live from New York and we’re putting climate in context on today’s world. We’ll explore global security, climate, and connected challenges. We ask what’s stopping us from getting it done. And how we rebuild a more equitable economy.

The Hub Live

Monday – Tuesday, September 18 - 19

The Hub Live is back and it’s in person. We'll reconnect and rethink climate action come September.

We’re gathering over 1,000 international decision makers and leaders from business, policy and civil society to drive climate action, fast. Taking place in New York City across two days, The Hub Live will be both in person and online.  

Connect and collaborate during Climate Week NYC 

Across the two days you’re invited to join a variety of networking and interactive sessions – from open discussions and debates to closed door roundtables, collaborative workshops, and networking receptions. 

Our aim? 

To create a space for collaborating, connecting, and collectively tackling our most urgent climate challenges, now. Join us and let’s tackle climate change, together. 

Watch the Opening Ceremony and The Hub Live from Climate Week NYC 2022 on demand.


hub live
Helen Clarkson, Kate Brandt, Christopher Guérin, and Dr María Mendiluce during the Hub Live at Climate Week NYC 2022

Climate Week NYC official events program

The official events program is your guide to all things Climate Week NYC. With over 400 events covering ten themes we invite you to host, participate and share your experience. 

Registration for the official Climate Week NYC events program will be open Spring 2023 highlighting our ten event themes: Built Environment, Energy, Environmental Justice, Transport, Finance, Sustainable Living, Nature, Policy, Industry and Food. 

Climate Week NYC 2022 video