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Vienna, 1 July 2025 (Motto am Fluss) - Held every six years, the Joint Danube Survey (JDS) builds on the legacy of its predecessors and brings together experts from across the Danube River Basin and beyond for its implementation. The Survey conducts the most comprehensive scientific analysis of Europe’s second-longest river. Today marks the official launch of the fifth edition of this unique initiative: JDS5.

Paris, 12 June 2025 – As UNESCO celebrates 60 years of global water science and the 50th anniversary of the International Hydrological Programme (IHP), the ICPDR proudly contributed to this international milestone by co-hosting a side event that placed the Joint Danube Survey 5 (JDS5) firmly in the spotlight.

The Joint Danube Survey 5 (JDS5), the world’s most comprehensive investigative surface-water monitoring effort, will officially kick off on 1 July 2025 in Vienna. This large-scale scientific survey will bring together experts from 14 countries to assess the health of the Danube River and its major tributaries.

Rivers are a natural resource that have been a focal point of transboundary governance for centuries. It is challenging to manage them for the benefit of riparian communities – especially if they are transboundary. This requires the development of a water infrastructure to harvest the socioeconomic benefits, while at the same time protecting the ecosystem for future generations.

River Basin Organizations (RBOs) have been established in many of the world’s basins to better coordinate different stakeholders’ actions and foster cooperation instead of conflict. Based on the experiences of several RBOs worldwide, several key characteristics for their effectiveness can be identified.

The Danube Declaration 2022, the result of the 4th ICPDR Ministerial Meeting, presents a comprehensive overview of crucial initiatives and goals for the region. Adopted by Danube Ministers, the Danube Declaration adds political steering to the two Management Plans. To make the Declaration more accessible to the general public, the ICPDR's Public Participation Expert Group has condensed its content into a concise summary. The outcome is a 3-page brochure that summarizes the main messages and implications of the Declaration in an easy-to-understand format.