Part 1 Water, air and soil - fundamental sources of the biosphere, J. Tolgyessy: biosphere; air; water; soil. Part 2 The chemistry of water, J. Tolgyessy et al: composition and structure of pure water; physical properties of water and aqueous solutions; chemical reactions and equilibria in waters; chemical composition of water; natural waters; drinking water; service and industral waters; the recipient and its pollution; wastewaters; physical, physicochemical and chemical methods of treatment and purification; sludges, their disposal and utilization; chemical analysis of water. Part 3 Biology of water, V. Betina and V. Frank: foundations of the ecology of aquatic organisms; microbiology of water; macro-organisms in surface waters; macro-organisms of groundwaters and springs; biological wastewater treatment. Part 4 Chemistry of air, A. Moncmanova et al: composition and structure of air; polluted air; the formation of pollutants in industry and transportation; emission control; the analysis of the atmosphere. Part 5 The biology of the atmosphere, V. Betina and V. Frank: microbiology of the atmosphere; air palynology. Part 6 The chemistry of soil, V. Frank and J. Tolgyessy: soil structure; the main characteristics of the soil; inorganic substances in the soil; organomineral compounds in the soil; the categorization and systemstics of soils; the pollution of soil by non-natural substances; the effect of irrigation, improvement techniques and cultivation on the soil; the motion and conversions of chemical substances in the soil; soil analysis. Part 7 Soil biology, V. Betina and V. Frank: soil micro-organisms; soil fauna. Part 8 Human exposure to toxic and hazardous substances in water, air and soil (environmental biochemistry and toxicology), A. Farfasova and P. Tolgyessy: toxic substances; routes of toxic substances through the body; metabolism of toxic substances; disturbance of enxyme action; damage to the genetic material-DNA; the ecotoxicology of water pollutants; the ecotoxicology of air pollutants; ecotoxicology of soil.