Green Key logo in color with text Green Key is a programme for accommodations and tourism facilities. It is managed by the charity, Foundation for Environmental Education (FEE). FEE also runs the Blue Flag programme for beaches, marinas and eco-tourism boats. Green Key criteria fall into two major groups: environmental management (energy, water, waste, cleaning, etc.) and sustainability education of staff, guests and suppliers. Compliance with imperative and an increasing number of guideline criteria are required. Rigorous onsite audits are part of the evaluation process. Green Key was founded in 1994. Today it is a leading label with 2,350+ awarded establishments in 50+ countries. FEE has national operators in 40+ countries of managing the Programme nationally. Green Key represents the positive and successful collaboration between the civil society and the hospitality/tourism sector in joint efforts towards implementing sound sustainability management.