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Building solutions for climate change

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

Local Law 97

Local Law 97

NYC’s groundbreaking climate legislation sets carbon emissions caps for large buildings starting 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

Green Professional training (GPRO)

GPRO Construction Management

October 22, 2024

Learn sustainability best practices and actionable strategies for every phase of construction in this two day training.

GPRO O&M

GPRO Operations & Maintenance Essentials

November 5, 2024

Learn more about reducing energy while improving tenant comfort and health as a building professional in this 3-day online training.

View Calendar

Recent publications

Heat pump water heater

LL97’s new game-changing electrification credit

A little electrification now goes a long way! And buildings that act soon stand to benefit the most.

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Aligned for Action: LL97 Commercial Landlord & Tenant Forum

Urban Green convened a LL97 Commercial Landlord and Tenant Forum to discuss ways to better align commercial landlord and tenant energy management to meet LL97 requirements. 

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High hopes for heat recovery 

Learn how heat pumps can help thousands of NYC's largest buildings reuse their wasted heat!

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LL97 in Focus: Jumpstarting multifamily building upgrades

Local Law 97 is set to drive 25,000 retrofit projects in 5,500 prewar low-rise buildings by 2030.

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Explore the resource library

Videos and podcasts

LL97: Unpacking the Proposed Rules (2024)

October 10, 2024

Watch our special webinar with the NYC DOB unpacking the 2024 Local Law 97 proposed rules.

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A climate conversation with Gina McCarthy

October 9, 2024

The first White House National Climate Advisor, Gina McCarthy, shares lessons learned from climate advocacy.

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Heating with ice

June 17, 2024

Mark MacCracken, the Vice President of CALMAC at Trane Technologies, joins host Ellen Honigstock and co-host Whitney Smith to discuss thermal energy storage.

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All videos and podcasts