Oxides of carbon, nitrogen and sulphur, (4 concepts)
hydrocarbons (2 concepts)
Green house effect and Global warming; Acid rain (8 concepts)
Particulate pollutants: Smoke, dust, smog, fumes, mist; their sources, harmful effects and prevention (14 concepts)
Stratospheric pollution- Formation and breakdown of ozone, depletion of ozone layer - its mechanism and effects (8 concepts)
Water Pollution - Major pollutants such as, pathogens, organic wastes and chemical pollutants; their harmful effects and prevention (20 concepts)
Soil pollution - Major pollutants such as: Pesticides (insecticides,, herbicides and fungicides), their harmful effects and prevention.Strategies to control environmental pollution (22 concepts)