The Urban Green Gala

Support our largest fundraiser of the year and connect with the global sustainability community at the Urban Green Gala!

Local Law 97

NYC’s groundbreaking climate legislation sets carbon emissions caps for large buildings that began in 2024.

Explore our NYC building data hub

Learn more about NYC's buildings and their energy use in this interactive data hub.

We educate building professionals

We train people who design, construct and operate buildings locally and nationally.

Building Tomorrow: Conversations with Climate Solvers

Building Tomorrow demystifies complex ideas about buildings, and introduces you to the people doing the work!

Upcoming events

Fall Member Reception

September 16, 2026

Join us on September 16 for our Fall Member Reception!

What’s New in the NYS Energy Code [FULL]

September 22, 2026

Join this free 90-minute live training for a clear, practical overview of the latest updates in the 2025 NYS Energy Code.

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Recent publications

NYC Next: Unlocking pathways to a sustainable city

At NYC Next: 2026 Building Trends, an impressive group of sustainability leaders took the stage to examine the benefits of decarbonization, strategies for achieving key climate goals and the challenges that lie ahead.

NYC’s Grid in Transition

A historic boost in hydropower and offshore wind will transform NYC’s grid by 2028, as headwinds reshape the pathway to our long-term goals.

Highlights of the 2025 New York City Energy Code

NYC adopted a new Energy Conservation Code in December 2025. Here’s what you need to know.

LL97 Action Steps

Use our data tool to receive cost-effective steps you can take today to improve your building, avoid fines and comply with LL97 in 2030.

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Fall Member Reception

What’s New in the NYS Energy Code [FULL]

A nonprofit dedicated to decarbonizing buildings for healthy and resilient communities

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Building solutions for climate change

Our mission is to decarbonize buildings for healthy and resilient communities.

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Recent publications

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