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Together for clean water and a livable future. Our campaigns combine research, education, community engagement, and creative communication – with the goal of making water protection visible and inspiring people to treat this vital resource responsibly. Whether through spectacular river swims, participatory activities, or educational formats, we create visibility, foster dialogue, and bring environmental and climate protection to life – both locally and far beyond through digital channels.

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    You can also obtain further information or an offer directly by sending an email to info@h2org.de.

    Weser

    Coming Soon – Following the successful extreme swimming projects through the Rhine, Danube, Elbe, and Tennessee River, the Weser is next. Once again, Prof. Dr. Andreas Fath will swim the entire length of the river to raise awareness of the state of our waters and to champion a plastic-free environment. Along the way, water samples will be collected and analyzed for pollutants and microplastics. In parallel, interactive educational programs for children and young people will take place in various towns along the river. The project will be documented on film, with the resulting documentary later integrated into educational programs and public events. Cities along the Weser will also host public activities including workshops, panel discussions, and participatory events.

    Rhine’s Water

    Together for a clean river – On September 13, 2025, the next major Rhine CleanUp will take place, and we are calling on communities to join us. Our goal is to mobilize as many groups as possible along the Upper Rhine to clear the riverbanks of plastic and waste. The initiative is designed to build cross-border awareness for the protection of the Rhine. That’s why we invite all participants to partner with groups on the opposite riverbank and plan joint activities together.
    to project page

    Pure Elbe

    In summer 2024, Prof. Dr. Andreas Fath swam the Elbe – 1,080 kilometers from the Giant Mountains to the North Sea – in a project dedicated to protecting nature. Through an accompanying campaign and interactive education program, we raised awareness about the importance of healthy rivers, the threats posed by human pollution, and the dangers of microplastics. Along the Elbe, water samples were regularly collected and analyzed for pollutants and microplastics. A documentary film was produced during the journey, bringing the story to an even wider audience.
    to project page

    Cleandanube

    Im Frühling 2022 durchschwamm unser Gründungsmitglied Prof. Dr. Andreas Fath die Donau. 2.700 km. Für einen sauberen Fluss voller Leben und Artenvielfalt. Forscher:innen haben in der Donau mehr Plastikteile als Fischlarven gefunden. Über 4 Tonnen Plastik gelangen aus der Donau ins Schwarze Meer. Jeden Tag. Um das zu ändern, haben wir Prof. Dr. Andreas Fath mit einer Kampagne und einem Bildungsprogramm begleitet, regelmäßig Wasserproben entnommen und einen Dokumentarfilm über unsere Reise auf dem internationalsten Fluss der Erde erstellt.
    to project page

    artofdanube

    From the Black Forest to the Black Sea – the world’s longest Danube painting went on tour. Artist Ana Tudor captured the river’s unique landscapes and its endangered plant and animal life on a one-kilometer canvas. Traveling downstream, we exhibited the artwork in 14 cities across 8 countries, using the exhibition to highlight species at risk along the Danube.