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Screenshot of the video showing a map of the Wadden Sea Coast and papers with the text "Trilateral Wadden Sea Cooperation".
03.06.2026

New Video Tells the Story of the Trilateral Wadden Sea Cooperation

CWSS, in collaboration with its partners, has produced a new introductory video showcasing the cooperation between Denmark, Germany, and the Netherlands.

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Hans-Ulrich Rösner.
02.06.2026

Hans-Ulrich Rösner Receives the Federal Cross of Merit on Ribbon

For more than 40 years, Dr. Hans-Ulrich Rösner has been dedicated to protecting the Wadden Sea. On 2 June, he received the Federal Cross of Merit on Ribbon in recognition of his work.

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Three dunlins wading in shallow water.

2026 Report on the State of Conservation of the World Heritage property “The Wadden Sea (N1314)”

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Publication cover with title and photo of green and blooming salt marsh on sunny day.

2025 Annual Report

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Sjon de Haan standing on stage with a microphone.
10.12.2025

The Wadden Sea: The Best-Known World Heritage Site in the Netherlands

New national research into the awareness of UNESCO World Heritage shows that once again the Wadden Sea is the best-known World Heritage Site in the Netherlands.

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Imke Zwoch smiling into the camera. Lighthouse and sea in the background.
27.08.2025

Trilateral community mourns loss of Imke Zwoch

Imke will be remembered for her experience and expertise as much as her candour and resilience.

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Natural phenomenon of a "white sun", when flock of thousands of white birds do flight formations.
06.09.2025 - 14.09.2025

The Great Bird Migration of the Wadden Sea

Danish Wadden Sea Coast

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Images of Rebecca Stewart, Monika Radominska, Elvis Lyonga Edima, and Martje Laßen (left to right).
28.07.2025

Common Wadden Sea Secretariat welcomes new team members

The CWSS team welcomes Rebecca, Elvis, Martje, and Monika and wishes them a great start!

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Aerial shot of exposed mudflat with small tidal creeks leading to a larger one.
06.05.2026 - 04.10.2026

Photo exhibition "Im Spielball der Gezeiten"

Gulfhof Friedrichsgroden in Carolinensiel-Harlesiel (D)

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A group of people (the Italian delegation and representatives of CWSS and the Lower Saxon National Park Authority) standing before a body of water and apartment buildings in the distance.
21.05.2025

CWSS Presents Trilateral Cooperation During Visit from Italian NGO

From 12 to 16 May, the Lower Saxon Wadden Sea National Park Authority welcomed a delegation from the Sicilian NGO Articolo Uno.

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