When two individuals from different species mate, the offspring is known as a hybrid. As a result of the genomes being mixed, sometimes phenotypes are produced that deal with new environmental conditions better than the two parent species.

With the Blue Diversion Autarky toilet, faeces, urine and wastewater are separated at source.

"The people who live around the Eqaluit River in the south-west of Greenland do know that there are char living in the river and its lakes", explains the evolutionary and fish biologist Carmela Dönz.

This spring, as they have now done for the past eight years, the international research team SCORE (Sewage analysis CORe group Europe), co-founded by Christoph Ort from Eawag, once again examined t

If one turns a stone over in a river or stream, it swarms with tiny animals: caddisflies, water beetles, freshwater shrimp, and snails. The invertebrates living on the beds of water bodies that can be seen with the naked eye, called macroinvertebrates, are rather unimposing, but for science and the protection of surface waters they are of great importance.

Micropollutants from medicines, personal care products, pesticides and industrial chemicals find their way into our wastewater every day.

Cashless payments, online maps for navigation, photo sharing on social networks - digitalisation has become an integral part of our everyday lives.

Ecosystems provide numerous benefits, supplying food, clean water and other resources. So, it is vital that ecosystem stability is maintained in the face of disturbances such as drought, heatwaves or nutrient inputs.