Toxic algae bloom ravages marine life on Florida's coast 01:52. Germany said Friday that mass fish deaths in the Oder River were a "man-made environmental disaster," blaming toxic algae growth ...

Berlin — A river on the German-Polish border has become a mass grave. Volunteers and authorities have been busy for days removing tons of dead fish floating on the surface of the Oder River. The ...

Fish lie dead on the western bank of the Oder River on August 12, 2022 at Bienenwerder, Germany. Investigators are trying to establish what caused the mass death event.

Tonnes of dead fish have been found since late July in the Oder river, which runs through Germany and Poland. Both countries have said the mass die-off is a major environmental catastrophe.

Item 1 of 7 Dead fish floats on the surface of the Oder river, as water has been contaminated and is causing the mass extinction of fish in the river, in Bielinek, Poland, August, 11, 2022.