Never did Jagannath Biswakarma think that a Tweet about one of his academic articles would receive attention from world-leading media outlets.

In the Blue-Green Biodiversity research initiative of WSL and Eawag scientists from around the world are working together to find solutions to the pressing challenges of biodiversity loss. The scientists explain in a video what they are working on - and why.

The motto of today's World Water Day is "Valuing water - What means water to you?". With this motto, the United Nations wants to raise awareness of the vital importance of water and call on people to think about the value of water.

Rare earth metals such as cerium and gadolinium are increasingly entering wastewater from industry, but also from hospitals.

In Lake Constance, sticklebacks are occupying increasingly varied habitat types - in recent years even including the open and deep waters of the lake.

A mobile handwashing station that hygienically recycles its own water without water mains or sewage connection not only has great potential for deployment in countries lacking in infrastructure.

Ecotoxicological tests need to be extremely accurate - which often poses challenges in research and practice. Eawag has now developed a computer model that enables even more accurate testing at high throughput; the model is simple, widely applicable and saves resources.

There will be no general shortage, but water may be scarce depending on the region and time of year - conversely, heavier rainfall will lead to more local flooding. These are the findings of the Hydro-CH2018 project published today, Hydrological Principles of Climate Change.

Monitoring of wastewater samples has the potential to provide a further indicator - alongside the number of cases, hospitalisations and deaths - to track the course of the pandemic.

New pharmaceuticals are being launched on the market all the time. It is of course their effectiveness in people's health that is of central importance here, but at some point, their active ingredients or traces of them wind up in the environment, where they can have negative consequences.