Archive News

August 7, 2015Before new chemicals can be approved, environmental risk assessments have to be carried out. But conventional toxicity testing with live fish is costly and time-consuming, and new substances continue to be produced without being adequately assessed. 

August 5, 2015Ozone treatment efficiently removes many micropollutants contained in wastewater, but in some cases, it can lead to the formation of toxic byproducts.

July 31, 2015Traditionally, water resource management has been in the hands of local or regional authorities, planners and users. In order to alleviate urgent worldwide water problems, scientists and politicians are increasingly calling for global approaches.

July 29, 2015Antibiotic resistance genes, in particular in freshwater systems and sewers, are increasingly seen as emerging environmental contaminants. An Eawag factsheet provides an overview.

July 9, 2015Elisabeth Salhi and Urs von Gunten from the department of Water Resources and Drinking Water received the Harvey M. Rosen Memorial Award for their publication "Process Control for Ozonation Systems: A Novel Real-Time Approach" in the journal Ozone: Science & Engineering.

June 30, 2015The Society for the Study of Evolution has awarded the Theodosius Dobzhansky Prize to Catherine Wagner, from the Department of Fish Ecology and Evolution.

June 25, 2015When recreational boats are transported overland, they are often accompanied by zebra mussels, attached to the hull. This alien species, which first appeared in Switzerland in 1960, can thus invade other natural waters.

June 25, 2015The use of fracking for gas extraction is widely opposed in Switzerland. Despite the almost complete lack of concrete projects, certain cantons have already imposed bans.

June 25, 2015Chlorination of water in swimming pools leads to the formation of trichloramine, a potentially harmful compound.

June 23, 2015The creation of gravel islands can contribute to the success of river restoration projects, as these structures have positive effects on exchanges between groundwater and surface water.