New York City Landlords Vow to Cut Energy Use 20 Percent by 2030

Some of the biggest names in New York real estate, including SL Green Realty Corp., Vornado Realty Trust and Related Cos., have signed on to an ambitious plan to reduce energy use in the city’s larger buildings by 20 percent by 2030—with some “wiggle room.”

If it is implemented, the plan would take the city’s 50,000-plus buildings of at least 25,000 square feet (2,300 square meters) more than a third of the way to a city-backed goal of reducing greenhouse-gas emissions by 80 percent by 2050, according to the Urban Green Council, the New York ...