Green Key is an eco-label for hotels, campsites, small accommodations, restaurants and attractions awarded to more than 3600 establishments in over 65 countries worldwide. Green Key is a programme of the international non-profit charity Foundation for Environmental Education (FEE), which also runs Blue Flag for beaches and marinas worldwide. Green Key aims to: • Increase the use of sustainable methods of operation and technology in the individual establishments, thereby reducing the overall use of resources • Raise awareness and create behavioural changes of staff, guests and suppliers of individual establishments • Increase the use of sustainable methods and raise awareness to create behavioural changes in the hospitality and tourism industry overall Green Key has a national operator based in 41 countries. Contact information can be found on the Green Key website: http://www.greenkey.global/national-offices/. Green Key is endorsed by the World Tourism Organization, recognised by GSTC and has entered cooperation with major international hotel chains, Rezidor and Starwood hotel groups.