Political and public support for change – Salmon in the Rhine
The Rhine is Western Europe’s largest river basin and one of the world’s most important trans-boundary waterways, flow- ing 1 320 km through Switzerland, Austria, Germany, France, Luxembourg and the Netherlands. Established as a navigable river in 1816, the Rhine has seen several major engineering projects proceed without prior bilateral agreement or environ- mental concern. The river became the “sewer of Europe” in the mid 1900s when large amounts of liquid waste from towns, industry and agriculture were increasingly discharged into the river. Salmon and most other fish species vanished, phospho- rus reached alarming levels and it had become difficult to draw drinkable water from the river.
The need to set up a basin-wide body to deal with pollution issues in the Rhine became clear, leading to the formation of the International Commission for the Protection of the Rhine (ICPR) in 1950. However, it took another 20 years to see signif- icant results, partly due to the loose set-up and lack of author- ity of the commission. The final catalyst came in 1987, when an accident at a Basel chemical plant led to the discharge of tonnes of toxins into the river, an environmental disaster caus- ing the deaths of more than half a million fish.
After the 1987 accident, environmental awareness rose and the affected population and their representatives demanded much tougher measures against polluters. The 15-year Rhine Action Plan – also known as Salmon 2000 – was adopted as a result, one of its goals being the return of salmon and other fish by the end of the century. With an active water-quality monitoring regime, the plan also deployed pollution patrols to industry and communities, penalties for polluters and flood control and bank restoration measures.
Since 1987 point discharges of hazardous substances have de- creased by 70 to 100 per cent, the fauna has almost completely recovered, including salmon, and accidental toxic discharges have been greatly reduced. However, several challenges remain, including fish passages, the release of toxic mud from the port of Rotterdam and pollution from farm fertilizers. On comple- tion of the Rhine Action Plan, the Rhine 2020 Plan was adopted in 2001 for further sustainable development of the river.
(Sources: UNEP/DEWA/GRID-Europe, 2004; ICPR, 2010; UNESCO, 2000) 69
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