The document discusses protected natural areas and environmental conservation efforts in Poland. It notes that Poland has 23 national parks, which vary in size from over 1,000 hectares and are established to protect ecosystems and allow tourism. Common parks include Biebrza National Park, the largest, and Ojców National Park, the smallest. The document also outlines Poland's efforts to protect forests, recycling programs, safeguarding endangered species, and the work of the League of Nature Conservation to promote environmental education and compliance.