An algal bloom that killed hundreds of thousands of fish in the river Oder between Germany and Poland in 2022 could reappear this summer with devastating consequences, scientists have warned. About ...

In the past weeks, the public has been shocked by images showing masses of dead fish floating in the Oder River, on the German-Polish border. Recent reports speak of 150 to 200 tons of fish killed. As ...

Since the end of July, tons of dead fish have been floating in the Oder River, which runs between Germany and Poland. This is an environmental disaster of enormous proportions, the cause of which has ...

In the summer of 2022, toxins produced by the brackish-water algae Prymnesium parvum killed about 1,000 metric tons of fish, snails, and mussels in the River Oder. In a study published in the journal ...

The Oder River forms the natural border between Germany and Poland over a distance of 187 kilometers (116 miles). Despite common goals, German and Polish activists struggle to collaborate.Stefanie and ...