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Welcome to OneNYC Green Buildings & Energy Efficiency

In New York City, buildings make up most of our environment. A key part of OneNYC's sustainability goals requires our buildings to become greener and more efficient. This website brings together New York City's policy initiatives on green buildings and energy efficiency. Read more


Mayor de Blasio Signs Legislation Increasing Environmental Standards for City-Owned Buildings
Mayor de Blasio signed into law Intro. 701-A (low energy intensity building requirements for City buildings) and Intro. 721-A (green building standards for City buildings). These laws will lower the energy use of City buildings and require many of them to meet higher Leadership in Energy and Environmental Design (LEED) standards. Read the press release and language for Local Law 31 of 2016 and Local Law 32 of 2016.

With Holiday Tourism Underway, Mayor de Blasio Announces 16 Hotels to Join NYC's Fight Against Climate Change, Commit to 30 Percent Reduction in Emissions in Next 10 Years
Mayor de Blasio announced that 16 major hotels are joining the NYC Carbon Challenge, another significant expansion of the partnership between the City and private and institutional sector leaders who have committed to reduce greenhouse gas (GHG) emissions from their buildings by 30 percent or more in the next ten years. Read the press release.

Mayor de Blasio Announces Major Progress in Greening City Buildings
Of the nearly 3,000 public buildings with any significant energy use, almost one-third already have retrofits in place or underway. The City has installed nearly four megawatts of solar on its public buildings in the last year alone. The City also launched the New York City Energy and Water Performance Map, a visualization tool that allows building owners to understand the energy and water efficiency of the 26,000 largest buildings across the five boroughs. Read the press release.

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The New York City Greener, Greater, Buildings Plan Does my building need to be benchmarked?
Buildings over 50,000 square feet and on the compliance list are required to comply under LL84, LL87, and LL88 of the Greener, Greater Buildings Plan. Check for your building here.
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NYC Clean Heat How can I switch to cleaner heating fuel?
NYC Clean Heat seeks to improve air quality and save lives by eliminating heavy oil use and accelerating the adoption of the cleanest fuels. The program provides resources to building owners, managers, residents, and organizations to help buildings make the switch.
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NYC Carbon Challenge What are building owners doing to reduce energy use?
More than 70 of New York City’s universities, hospitals, commercial offices, residential property management companies, and hotels have joined the NYC Carbon Challenge, committing to reduce their carbon emissions by 30 percent or more. Participants have reduced emissions by an average of 19 percent, and eight have already met the goal.
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