The Trilateral Wadden Sea Cooperation (TWSC) works with numerous stakeholders in the Wadden Sea Area as well as external organisations such as UNESCO, IUCN and other natural World Heritage sites. The organisations listed below, however, are those, who form the heart of the Cooperation. They actively shape Wadden Sea conservation as members of and advisors to the Wadden Sea Board.
Supporting organisation: Miliøstyrelsen
Supporting organisation: Rijkswaterstaat