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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.

The We Pass 2 project, an ambitious initiative to restore fish migration routes at the Iron Gate Dams on the Danube River, has reached a successful conclusion. Building on the achievements of the original We Pass project, We Pass 2 focused on creating preliminary designs and cost estimates for solutions to enable fish passage at Iron Gate 1 and 2, which sit on the border between Romania and Serbia.

Presenting the latest in hazard and risk assessments, the ICPDR Technical Report on Accidental Pollution Hazards provides an in-depth analysis of accidental pollution. It highlights updated inventories for Accident Hazard Sites (AHS) and Tailings Management Facilities (TMF), employing advanced methodologies like the Water Hazard Index and Tailings Risk Index. Focusing on the most hazardous sites, the report also offers key recommendations for sustainable pollution prevention