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.
Denmark
Municipalities: Esbjerg, Fanø, Tønder, Varde
Supporting organisation: Miliøstyrelsen
Germany
Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz
Behörde für Umwelt, Klima, Energie und Agrarwirtschaft Hamburg
Niedersächsisches Ministerium für Umwelt, Energie und Klimaschutz
Supporting organisations: Nationalparkverwaltung Schleswig-Holsteinisches Wattenmeer, Nationalparkverwaltung Niedersächsisches Wattenmeer, Nationalparkverwaltung Hamburger Wattenmeer
Netherlands
Ministerie van Landbouw, Natuur en Voedselkwaliteit
Ministerie van Infrastructuur en Waterstaat
Ministerie van Economische Zaken en Klimaat
Provinces: Fryslân, Groningen, Noord Holland
Supporting organisation: Rijkswaterstaat
NGOs
Wadden Sea Team (currently represented by Danish Ornithological Society, It Fryske Gea & WWF Germany)