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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 Announces Major Expansion of NYC Carbon Challenge as 22 Commercial Owners and Tenants Commit to Dramatically Reduce Greenhouse Gas Emissions in Next 10 Years
The NYC Carbon Challenge for Commercial Owners and Tenants represents 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 10 years. Read the press release and learn more.


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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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