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Building solutions for climate change

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

Education on-demand: Heat pumps

Check out our new heat pump course offerings! Gain the practical skills you need to work with heat pumps at every stage and achieve optimal performance in your building.

Explore our course offerings
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

EP: 1 Java Building Tour

June 10, 2026

Come tour the the largest residential geothermal development in the United States.

Summer Member Reception

June 16, 2026

Join us on June 16 at COOKFOX Architects for our summer member reception!

View Calendar

Recent publications

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.

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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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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.

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Smooth Operator: Effective O&M in Electric Buildings

Read our report on improving operations and maintenance (O&M) practices in electric buildings.

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Explore the resource library

Videos and podcasts

Uncovering Energy Insecurity with Diana Hernández

May 14, 2026

Sociologist Diana Hernández joins to discuss the dimensions of energy insecurity and how building professionals might address this growing issue. 

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NYC’s Grid in Transition

April 15, 2026

Urban Green's policy and research teams discuss the state of the NYC's electrical grid, whether it can handle building electrification today and what is needed to reach long-term decarbonization goals.

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Demo: Con Edison’s BAS Calculator Tool

December 11, 2025

Learn how you can participate in Con Edison's Energy Efficiency Programs and optimize your building performance.

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All videos and podcasts