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For many countries in the Danube region, achieving universal access to water services while safeguarding water resources remains a significant challenge, particularly in rural areas.

Building on the successes of the Danube Hazard m3c project, the launch of the Tethys project is set to take place on April 11-12, 2024, in Vienna. Funded by the Danube Regional Programme, Tethys will bring together 13 project partners and 10 associated strategic partners to address hazardous substances pollution in the Danube River Basin.

A highly anticipated kick-off took place in Ostrava, Czech Republic, on 19-20 March, as the SAFETY4TMF project, an acronym for "Coordinated Prevention and Disaster Management Activities on Tailings Management Facilities by Authorities, Municipalities, and Other Stakeholders for Solutions Reducing Transnational Risks and Hazards," was successfully launched.

Addressing transboundary riverine litter pollution demands a multifaceted strategy, incorporating harmonized actions, standardized measurements, advanced waste management techniques, and heightened awareness on an international scale.
Our new publication fills a critical gap, emphasizing the need for regulatory frameworks to establish effective waste management systems and deter illegal waste disposal.

Organic pollution has been on the rise in the Danube over the last century, as human activities have resulted in increasing loads of wastewater rich in organic matter. The most serious organic pollution problems occur in tributaries that regularly receive untreated or inadequately treated wastewater from industrial plants and municipalities. Thanks to the significant improvement of wastewater infrastructure and services in the Danube countries, the basin-wide organic emissions reduced by 60% since the mid 2000s.

Hazardous substances can remain in the environment for a very long time, and harm ecosystems and human health. Although monitoring indicates that the loads of some substances have been reduced in recent years, many problems still persist. The increasing number of these man-made substances present in the environment is a matter of concern, and calls for the application of the precautionary principle.

The nutrient levels, notably phosphorus and nitrogen, found in the Danube River and its major tributaries hold significant international importance. This is because they directly contribute to the phenomenon of eutrophication in both the river itself and the Black Sea. Historical trend analysis of nutrient river loads over the past decades shows a significant reduction in the transported nutrient fluxes to the Black Sea. Overall nutrient emissions declined by 30% (nitrogen) and 50% (phosphorus) in the last 15 years. However, the current long-term fluxes are still considerably higher than those of the early 1960ies which represent river loads under low pressures, indicating a further load reduction potential that might be exploited for the benefit of the Black Sea. Nevertheless, in the last 5-10 years the measured loads are rather low and close to the Black Sea targets indicating significant water quality improvement.

The floodplains and wetlands of the Danube basin are uniquely valuable ecosystems in global terms, although few areas are still in their natural or near-natural state.