Oder mass fish deaths: Searching for clues to Polish-German border mystery
Scientists suspect a pollutant caused high salt levels, encouraging algae to flourish, suffocating fish.
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Scientists suspect a pollutant caused high salt levels, encouraging algae to flourish, suffocating fish.
Nearly 200 tons of dead fish have been removed from the River Oder, with scientists unable to confirm why.
The cause of mass fish deaths this month in the River Oder between Germany and Poland is still unexplained, as governments in Berlin and Warsaw exchanged insults over possible causes. Germany had suggested pesticides might be behind the event, which Polan...
Drought and industrial pollution appear to have created the poisonous cocktail that has puzzled authorities for weeks.
"Everything points to a manmade catastrophe," one environmental expert tells CBS News, as 100 tons of dead fish are removed from the Oder River.