Dominating our Environmental and Land Use practice over so many other important issues affecting our clients has been New York City’s Local Law 97. The 2019 Climate Mobilization Act, also known as Local Law 97, requires owners of most buildings over 25,000 square feet to dramatically reduce their building emissions in phases over the coming decade and beyond or face progressively steeper penalties. The law sets emissions limits based on square footage and occupancy category (i.e., commercial, residential, etc.) and ratchets those limits down over time.
Our group is closely monitoring developments in this area and will maintain this page for our clients to provide any updates that are relevant.
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| Date | Recent Publications | |
| March 2024 | Local Law 97: What NYC Building Owners and Operators Need to Know Now That the Law’s First Compliance Period (2024-2029) has Begun This advisory provides a short refresher on New York’s Local Law 97, the City’s climate law that aims to reduce greenhouse gas (GHG) emissions of about 50,000 of the City’s largest buildings, and then describes recent major developments in the law’s implementation. | |
| November 2023 | Judge Dismisses Challenge to New York City’s Groundbreaking Climate Law A New York trial court judge has dismissed a lawsuit challenging the legality of LL97, New York City’s ambitious effort to curb greenhouse gas emissions from buildings over 25,000 square feet. | |
| November 2022 | Local Law 97: Q&A for Property Owners, Including Commercial Landlords, on NYC’s Groundbreaking Climate Change Law Property owners in New York City are increasingly focused on the January 1, 2024 start date for compliance with New York City’s LL97 of 2019. This advisory addresses some of the questions our clients are asking attorneys most frequently. | |
| June 2022 | New York City’s Ambitious Green Buildings Law Faces Legal Challenge This advisory explores a small group of building owners and individuals has filed a lawsuit challenging a centerpiece of the City’s efforts to combat climate change, LL97. | |
| August 2022 | Carter Ledyard & Milburn Moves and Assesses Its New Carbon Footprint: Local Law 97 On the heels of moving from our longtime home on Wall Street, Carter Ledyard’s Environmental and Land Use Group assesses its own carbon footprint, readiness to comply with LL97, and a message for our clients that its never too early to prepare for LL97 compliance. |