Environmental Protection
What a Sewer Overflow Does to a Stream
Twelve years of Philadelphia data show that after combined sewer overflows, dissolved oxygen in smaller streams stays low for days, while the big river barely notices.
The Po on the Brink of Drying Up, the Iberian Peninsula in Flames
While Italy's largest river can supply agriculture with irrigation water for only a few more days, drought since spring and the wildfires in its wake are hitting the whole of southern Europe.
What Festivals Leave Behind in the Water
International research shows what traces large waterside events leave in lakes and rivers.
The Drying Continent
Data, causes and consequences from Central, Eastern and Southern Europe – the true face of a drying continent.
Microplastics in Wastewater – Poison Accumulating in Sewage Sludge
Wastewater is one of the most important collection points for microplastics. In conventional wastewater treatment, 80–99% of microplastics end up in sewage sludge.
Nano- and Microplastics – How Much Is Around Us?
Scientific data on the scale of microplastic pollution: how these particles get into our bodies from air, water and food – and what we can do about it.
The Carpathian Basin's Water: Source and Future
From the Carpathians to the Homokhátság sand ridge, the water systems of the Carpathian Basin and Hungary rest on an ever more fragile balance – and the way forward lies in a change of mindset and in innovation.