Up to two million people are expected to take part in the event as part of a worldwide movement which inspires and empowers communities to clean up, fix up and conserve their environment.
Krystyna Kolosowska reports
Mira Stanislawska-Meysztowicz, head of “Our Earth” foundation, who first introduced the idea to Poland sixteen years ago, is impressed by how the attitude of Poles to litter has changed during that time.