This certification which stands for Leadership in Energy and Environmental Design is issued by the US Green Building Council. LEED has four certification levels: Certified, Gold, Silver and Platinum. These are issued to new construction projects. The level of certification is dependent on how many credits are being received for the following categories: sustainable sites, water efficiency, atmosphere and energy, indoor environmental quality and materials, and resources. Projects that are covered by LEED are the following: interior projects, existing buildings, new commercial construction, and major renovations.
Learn more about LEED