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Everybody is going green these days and for good reason. It saves money and the environment. These resources will give you insights on greening lighting solutions and how it can lower costs and improve performance.

EPAct 2005
U.S. Green Building Council
USGBC - LEED Rating Systems
USGBC - National Trends and Prospects for High-Performance Green Buildings
U.S. Department of Energy
Lighting Research Center
Illuminating Engineering Society of North America
International Dark Sky Association
Hubbell Lighting Solutions Center