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Nancy E. Clanton is founder and President of Clanton & Associates, a lighting design firm specializing in sustainable design. She obtained her Bachelor of Science degree (Architectural Engineering, Illumination Emphasis) from the University of Colorado, Boulder and is a registered Professional Engineer in the states of Colorado and Oregon. Nancy is a member of the National Science Foundation committee on solid state lighting. Nancy is chairperson of the IESNA Outdoor Environmental Lighting Committee and Mesopic Committee, chair of the Model Lighting Ordinance IESNA and IDA joint task force, member of the Board of Directors of the International Dark Sky Association, is a past member of the Board of Directors of the International Association of Lighting Designers and the IESNA board of directors. Nancy is currently on the USGBC LEED Environmental Quality Technical Advisory Group. Nancy was a topic editor for the IESNA Lighting 9th Edition Handbook and her committee was responsible for the production of the IESNA Recommended Practice on Lighting for the Exterior Environment. Nancy was lighting group leader for Greening of the White House, led the lighting workshops for the C40 conference in Seoul, and was awarded the IESNA Presidential Award in 1990 and 2006. Her firm has authored the Lighting Criteria for The Department of Defense Unified Facilities Criteria, Colorado Department of Transportation Lighting Design Guide and the exterior sections of California’s Title 24 2008 energy code. Her firm’s lighting design projects reflect her sustainable philosophy and ten of their projects have been named to the AIA Committee on the Environment Earth Day Top Ten List. Twenty two projects for which Clanton & Associates designed the lighting are LEED rated.