Local laws 92 and 94 of 2019 established NYC’s green roofs requires. New buildings and existing buildings undergoing major renovations in specific occupancy groups defined in the New York City Building Code are required to have a 100% of the available roof space as a sustainable roofing zone. A sustainable roofing zone is covered in a green roofing system and/or solar panels and/or wind turbines.
Currently, only 1 in one thousand buildings have a green roof in New York City.