www.usgbc.org - The U.S. Green Building Council (USGBC) is a 501(c)(3) non-profit community of leaders working to make green buildings available to everyone within a generation. LEED Certification provides independent, third-party verification that a building project meets the highest green building and performance measures.
www.energystar.gov - Energy Star Products are certified by the U.S. Department of Energy to help save energy over the lifetime of the appliance or other product. But beyond that, contractors can useENERGY STAR recommended practicesto increase their revenues, improve customer satisfaction, and make homes perform better.