Harkening calls to reduce New York City’s impact on the environment and role in climate change, former Mayor Michael Bloomberg announced a goal in 2009 to reduce the city’s greenhouse emissions 30% by 2030. Most of the city’s current GHG emissions—about three-quarters’ worth—currently come from buildings, however, making tackling current buildings’ energy efficiency a necessity. To achieve Bloomberg’s ambitious goal, city legislature passed a set of four laws collectively known as the “Greener, Greater Buildings Plan” that encourages bigger buildings to improve their energy efficiency. These regulations only apply to buildings larger than 50,000 gross square feet and two or more buildings on a single lot that are larger than 100,000 square feet combined.
Below are the four major laws: