National green certification programs now exist to recognize and encourage green building. They share the same goal—to promote green construction and create buildings and homes that use less energy, water and other natural resources; improve indoor air quality; and create less waste. The U.S.
Improving the efficiency of our nation’s buildings certainly isn’t a new goal. The energy crisis of the 1970s spurred a wave of energy-reducing innovations, including the first generation of building-mounted photovoltaic (PV) panels to produce electricity on-site. Since then, the U.S.