CBS News reports:

The New York City Department of Education and the School Construction Authority on Tuesday announced the publication of the NYC Green Schools
Guide and Rating System, which will be used to guide the sustainable design, construction, and operation of new schools, modernization projects, and school renovations.

Prescriptive Energy Efficiency Measures required by the GSG, including high efficiency building envelope and HVAC systems, will ensure that NYC’s "green schools" are designed to save energy costs by at least 20
percent over other regulatory mandates.

Water-conserving plumbing fixtures such as metered faucets, dual flush toilets,
low-flush urinals, and low flow showers will result in the reduction of potable water usage in each school by more than 40 percent.