The Common Wadden Sea Secretariat (CWSS) supports and coordinates the work of the Trilateral Wadden Sea Cooperation (TWSC) representing the three Wadden Sea countries Denmark, Germany, and the Netherlands. CWSS is committed to strengthening the ONE Wadden Sea World Heritage in a changing world. To achieve this, we are closely working across borders with stakeholders from science, management, policies, and the economic sectors to address the challenges this unique ecosystem is facing. Our focal areas include, but are not limited to - Support for the Wadden Sea Board as the TWSC’s governing body in preparing, adopting and implementing the Wadden Sea Plan and new policies and strategies. - The Trilateral Monitoring and Assessment Programme and Quality Status Reports provides information on the status of the ecosystem for management purposes. - The Single Integrated Management Plan supports management actions linked to ongoing and future challenges - The Partnership Hub aims to create new opportunities and strengthen existing collaborations. - Various Expert groups, Tasks groups and Network groups provide expert advice on ongoing and new developments in the Wadden Sea. - International collaborations: Marine World Heritage Programme, Wadden Sea Flyway Initiative, Wadden Sea Seal Agreement, EU-funded projects, MoUs with global wetland sites New threats require new solutions, and we continue to adapt our work to emerging challenges. We are always interested to extend our network and eager to hear from new partners.