is Poland’s second-longest river and a major waterway in Central Europe.
Home to a diverse aquatic ecosystem, including many endangered species, the Oder plays a crucial role in the region's biodiversity. It sustains lush forests, floodplains, and meadows, and serves as a key ecological corridor.
But in the summer of 2022, disaster struck.
A mass mortality event occurred in the Oder River resulting in significant wildlife casualties.
Over
of dead fish washed up on the Oder’s shore.