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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 [Sold Out]

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 NYC: Energy Code 101 [Full]

June 4, 2025

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

Crushing the Code NYC: Residential Envelope [Full]

June 10, 2025

In this 2.5-hour, online training, students will examine the ingredients for a code compliant building envelope and how they are incorporated into the 2020 NYCECC residential provisions.

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Recent publications

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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The case for statewide benchmarking

A little-known dataset opens the door to smarter climate strategies for 22,000 large buildings in New York State.

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LL97 offsets and the Affordable Housing Reinvestment Fund

In a major win for NYC, building owners can now buy LL97 offsets that support electrification in the city’s affordable housing.

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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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Explore the resource library

Videos and podcasts

Rethinking Heat with Thermal Energy Networks (TENs)

May 16, 2025

In this webinar, learn about the fundamentals of TENs and how they are crucial for the future of energy planning.

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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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All videos and podcasts