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Vienna, 20 March 2017 - Wastewater from homes, cities, industry and agriculture flowing back to nature without being treated or reused pollutes the environment in many regions. Without proper wastewater treatment we are losing valuable nutrients and releasing dangerous substances. Beside significant threats to human health, the impact on water resources and ecosystems is tremendous.

Danube Basin, 29 June 2013. Activities for kids, tours with wildlife guides, open days at water research facilities: Danube Day is colourful and diverse. On June 29, you can join tens of thousands of people throughout the Danube River Basin and celebrate the most successful river festival in the world.