Blue-green algae bloom every year in the Oder River, says Janzen. But the water now tastes salty. «It was never like that before.» Janzen explains why it’s important to recover dead fish quickly.

Dead fish in the Oder were first noticed by fishermen in southwestern ... Ten tons of dead fish have been removed from the river. Warsaw lashed out over the weekend, with Environment Minister ...

Ten tons of dead fish were removed from it last week, but Mokswa said the cause of the mass die-off still has not yet been determined. “So far, at least 150 samples of water from the Oder River ...

The first indication of something wrong can be frenzied or dead fish. What environmental ... Gliwice Canal and the Klodnica ...