Existing buildings in New York will now face higher standards for the emissions of greenhouse gases by upgrading water heaters, boilers and roofs, among other changes. The goal is to cut greenhouse gas emissions in the city by 7% by 2035.
The U.S. Department of Energy's Better Building Challenge partners have reduced their cumulative energy use by 240 trillion BTUs and saved $1.9 billion through energy efficiency measures since the launch of the program in 2011, according to the Better Building Challenge's 2017 progress report.