Useful Links

For information on green building or the Leadership in Energy and Environmental Design (LEED) Green Building Rating System, go to the U.S. Green Building Council website www.usgbc.org.

To download free software for 3dOP Darksky, a three-dimensional outdoor lighting-visualization program to help find the optimal dark-sky lighting solutions for projects, visit: http://www.alllighting.com/new/3dop/3dop_frame_download.html