The Green Key award is the leading standard for excellence in the field of environmental responsibility and sustainable operation within the tourism industry. This prestigious eco-label represents a commitment by businesses that their premises adhere to the strict criteria set by the Foundation for Environmental Education. A Green Key stands for the promise to its guests that by opting to stay with the Green Key establishment, they are helping to make a difference on an environmental level. The high environmental standards expected of these establishments are maintained through rigorous documentation and frequent audits.