The Liebman Science Center has received the Gold LEED® Certification. What does it mean to LEED certified? LEED®, which stands for Leadership in Energy and Environmental Design, is a certification program focused primarily on new, commercial-building projects, and based upon a points system. Most importantly, a LEED® certification recognizes the effort to make a facility more sustainable, as well as offers the opportunity for potential cost savings over time. LEED® is the preeminent program for the design, construction, maintenance and operations of high-performance green buildings.