New York has a program to upgrade its old buildings, make them better insulated in the winter, to not leak energy in the summer, not leak air conditioning. That's having an impact.
New York ima program obnove  svojih starih zgrada s ciljem bolje toplinske izolacije zimi, radi sprečavanja  ispuštanja energije ljeti, radi sprečavanja curenja  rashladnih uređaja.