WARSAW, Poland (AP) — Germany’s environment minister said the mass die-off of fish in the Oder River is an ecological catastrophe and it isn’t clear yet how long it will take the river to ...

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.

"Everything points to a manmade catastrophe," one environmental expert tells CBS News, as 100 tons of dead fish are removed from the Oder River.

The highest flood warning level is in effect for a short stretch of the Oder River in Brandenburg where it marks the German border with Poland. In some more rural areas, it has already burst its ...

Dietmar Woidke, the state governor of Brandenburg, which borders Poland along the Oder River, had criticized Polish authorities for what he said was a lack of information about the mass fish die-off.

Poland says the Oder River disaster could have been caused by an intentional dumping of chemicals, although scientists say climate change may have had a role.

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 ...

Two years after a major fish die off in the Oder River, Poland is again battling algae blooms, this time with hydrogen peroxide. As rising pollution and temperatures fuel their growth worldwide ...

Germany said Friday that mass fish deaths in the Oder River were a "man-made environmental disaster," blaming toxic algae growth sparked by the introduction of salt into the waters. Presenting a ...

Poland is seeking help from abroad to discover the source of toxic contamination in the Oder River following a fish die-off that environmental groups have described as the country’s biggest ...

A whopping 100 tonnes of dead fish recovered from the Oder River that flows through Poland and Germany have left both countries stumped as to the origins of the mysterious mass die-off amid ...

Poland’s environment minister says laboratory tests following a mass dying off of fish detected high levels of salinity but no mercury in waters of Central Europe’s Oder River.