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

Daphnia, also known as water fleas, play an important role in the food web of lakes: they feed on phytoplankton and are eaten by predators such as fish.

Natural, human oestrogens, as well as synthetic substances such as the contraceptive pill, pesticides and industrial chemicals, are transported mainly via our wastewater into surface waters.

Most recreational fishermen do not take notice of the little threespine stickleback fish - it is too small and spiny to make a good meal.

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.

In textbooks on evolution, conceptional and mathematical models explain how a host-parasite relationship affects the genome of both organisms.

Most recreational fishermen do not take notice of the little threespine stickleback fish - it is too small and spiny to make a good meal.

The Montreal Protocol on Substances that Deplete the Ozone Layer, which celebrated its 30th anniversary in 2017, was the first UN multilateral environmental agreement to be universally ratified (197 Parties by 2008).