Presence in the atmosphere of large quantities of gases, solids and radiation produced by the burning of natural and artificial fuels, chemical and other industrial processes and nuclear explosions. (Source: GEMET/ GUNN)
Convention on Long-range Transboundary Air Pollution
Article 1: DEFINITIONS
(a) "Air Pollution" means the introduction by man, directly or indirectly, of substances or energy into the air resulting in deleterious effects of such a nature as to endanger human health, harm living resources and ecosystems and material property and impair or interfere with amenities and other legitimate uses of the environment, and "air pollutants" shall be construed accordingly;
The Parties shall take all appropriate measures to prevent, reduce and control pollution in the Convention Area resulting from discharges into the atmosphere from activities under their jurisdiction.
Article 9 AIRBORNE POLLUTION
The Contracting Parties shall take all appropriate measures to prevent, reduce and control pollution of the Convention area resulting from discharges into the atmosphere from activities under their jurisdiction.
Protocol on Heavy Metals
Recognizing that countries in the region of the United Nations Economic Commission for Europe UNECE) have different economic conditions, and that in certain countries the economies are in transition,