The initiator of the largest cleaning action of the Odra River in Poland: 20,000 volunteers is not such an impressive result. There are over 37 million Poles.

– About 80% of pollutants flow into the Baltic Sea through rivers. Whatever the residents of Wrocław throw into the Odra River will sooner or later end up in the sea – says ecologist Dominik Dobrowolski, the initiator of the “Clean Odra” campaign, which this year will be combined with river restocking.