Improvement of cross-border environmental protection system of Czeremcha and Vysokaje through the development of sewerage infrastructure'. The project leader is the Municipality of Czeremcha from Poland, and the partners include: The town of Vysokaje in Belarus and the Association of Self-Governments of the Euroregion Bialowieża Forest. The project of a symmetric type involves the construction of sewage system as part of the common environmental policy for water and sewage management. The scope of the project concerns the development of design concept, complete technical documentation and execution of construction works of the sewer system. The expected outcome is to improve the state of the natural environment in Bialowieza National Park buffer zone. A new sanitary sewer network measuring 8172m in the Municipality of Czeremcha and 17500m in Vysokaje, as well as 10 pumping stations, were built. More than 3,000 residents were connected to the sewerage system. Two conferences on good environmental practices were organised in Białowieża National Park buffer zone. Expected Results: 25672 metres of sewer system (8172 metres in Poland and 17500 metres in Belarus), 10 sewage pumping stations (3 in Poland and 7 in Belarus) ,2 conferences (1 in Poland and 1 in Belarus).