The only research institution in Poland to date that deals with research and development of methods to prevent and reduce the long-term effects of so-called diffuse (non-point) emissions into the atmosphere and their deposition on large areas, storage of various types of waste, agriculture, transportation, etc., including historical pollution. The research work of the department includes: Determination of total cumulative deposition of pollutants in the area using natural archives; biogeochemical transformation of wastes over time, binding/release and migration of trace elements in wastes, soils and soils of aeration and saturation zone; uptake by plants, effects of climate change on these processes; phytoremediation. The plant participates in the development of standards at the international level (CEN and ISO) and in scientific cooperation with numerous countries.