The U.S. Green Building Council (USGBC) is a 501(c)(3) non profit organization that certifies sustainable businesses, homes, hospitals, schools, and neighborhoods. USGBC is dedicated to expanding green building practices and education, and its LEED (Leadership in Energy and Environmental Design) Green Building Rating System
www.usgbc.org
The Illuminating Engineering Society of North America (IES) is the recognized technical authority on illumination. For over 100 years its objective has been to communicate information on all aspects of good lighting practice to its members, to the lighting community and to consumers, through a variety of programs, publications, and services.
www.iesna.org
Founded in 1969 and based in Chicago, the International Association of Lighting Designers (IALD) is an internationally recognized organization dedicated solely to the concerns of independent, professional lighting designers. The IALD strives to set the global standard for lighting design excellence by promoting the advancement and recognition of professional lighting designers.
www.iald.org
The Department of Energy’s overarching mission is to advance the national, economic, and energy security of the United States and to promote scientific and technological innovation in support of that mission.
www.energy.gov