Norderney is a German dune island located in the North Sea which belongs to the Wadden Sea UNESCO World Heritage. In Norderney, nature conservation is very important with approximately 80% of terrestrial area and 100% of the marine area being protected. The UNESCO-visitors center “Watt Welten” in Norderney informs visitors about the Wadden Sea’s unique formation and organizes guided nature excursions and tours. The municipality promotes the use of renewable energy on the whole island. 99% of its public buildings and services use green energy and CO2-neutral gas. Furthermore, the whole island has excellent water quality for bathing and health tourism is strongly promoted.