LL97, also known as Local Law 97, is a significant legislation passed by the city of New York in 2019. It aims to tackle climate change and reduce greenhouse gas emissions by imposing strict carbon emissions limits on large buildings over 25,000 square feet. Mark Hertz and Latitude collaborated on LL97 consulting and have been conducting informative roundtable presentations. Through their expertise, property owners receive comprehensive guidance on meeting their obligations under this law, ensuring they take the necessary steps to improve energy efficiency and adopt sustainable practices to comply with the emissions limits set by LL97.