DGNB (Deutsche Gesellschaft für Nachhaltiges Bauen e.V.) is a German organization that promotes sustainable building and construction. They have developed a certification system, called the DGNB System, which assesses the sustainability of buildings and neighborhoods based on a variety of criteria, including energy efficiency, water management, materials, and indoor environment quality. Buildings that meet the DGNB's standards are awarded a certification, which serves as a third-party endorsement of the building's sustainability.There are Four Rating categories: Platinujm, Gold, Silver and Bronze, with Platinum being the highest rating.
