New York City residents, already grappling with some of the country’s highest housing prices, face extra costs to comply with a law mandating greenhouse gas emission cuts at their buildings……The bill is starting to come due for many property owners throughout the five boroughs that must make significant capital upgrades to comply with Local Law 97, which requires nearly 50,000 large buildings to cut their emissions starting this year or face fines.     Read the article…………………………….