The Green Key award is a standard of excellence in the field of environmental responsibility and sustainable operation within the tourism industry. This eco-label represents a commitment by businesses that their tourism establishments adhere to the criteria as stipulated by the Foundation for Environmental Education (FEE). A Green Key stands for an establishment’s promise to its guests that by opting to stay with such an establishment, they are helping to make a difference on an environmental and sustainability level. The environmental standards expected of these establishments are maintained through documentation and audits.