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Building solutions for climate change

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

NYC Next: Shaping Building Decarbonization

Join us on June 2 for an inside look at the trends shaping the future of NYC's buildings!

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Local Law 97

Local Law 97

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

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Explore our NYC building data hub

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

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We educate building professionals

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

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Building Tomorrow: Conversations with Climate Solvers

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

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Upcoming events

Crushing the Code NYS: Energy Code 101

May 6, 2025

In this 2-hour, online training, students learn what the 2020 ECCCNYS is, why it was developed, where it’s headed and the different ways to comply.

Rethinking Heat with Thermal Energy Networks

May 7, 2025

Learn how to decarbonize buildings in New York State with Thermal Energy Networks.

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Recent publications

Man installing central heat pump, single-family home

Cool Switch

Replacing central ACs with heat pumps is a sleeper electrification opportunity for many New York homes.

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The next step in benchmarking NYC buildings

A proposed bill would expand NYC’s annual energy and water benchmarking law to buildings larger than 10,000 square feet.

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How Intro 772 would impact LL97

A City Council bill introduced last April aims to significantly weaken Local Law 97 for co-ops, condos and garden-apartment complexes.

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What you need to know about the 2024 LL97 rulemaking

On September 27, the NYC Department of Buildings launched a third major rulemaking for LL97. Here’s what you need to know.

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Explore the resource library

Videos and podcasts

LL97 Offsets: The Affordable Housing Reinvestment Fund

April 8, 2025

Learn how you can use AHRF offsets for LL97 compliance.

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Decarbonizing Con Edison’s district steam (w/ Matthew Ketschke)

March 21, 2025

Hear from Con Edison President Matthew Ketschke about plans to decarbonize NYC's district steam.

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5 years after Covid: Healthy building trends to know (w/ Dr. Joe Allen)

February 20, 2025

In a special fifth anniversary episode, Dr. Joe Allen discusses ways to improve indoor air quality and shares the healthy building trends you need to know.

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All videos and podcasts