Mass fish deaths in German-Polish river 'probably' caused by
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Mystery toxin suspected as 100 tons of dead fish removed from Oder River on German-Polish border - CBS News
Lost at sea: The hidden cost of ghost gear - Down to Earth
Photos: Mystery surrounds mass fish deaths in the Oder River, In Pictures News
Oder fish die-off: Salt discharges caused mass proliferation of toxic alga
Industrial pollution “key factor” in poisoning of Oder river, finds EU report
Why sea creatures are washing up dead around the world - The Washington Post
Oder mass fish deaths: Searching for clues to Polish-German border mystery
Mass fish die-off in German-Polish river blamed on unknown toxic substance
Could a mass fish die-off in the Oder River happen again? – DW – 06/20/2023
