1. Pollution and Health
1.1. Health defined as a state of complete physical , mental and social well-being and not merely the absence of disease or infirmity
1.2. How to keep environment healthy
1.2.1. Maintenance of a clean environment
1.2.2. Control of communicable diseases
1.2.3. Early diagnosis and prevention of diseases
1.2.4. Development of social machinery
2. Technique to control pollution
2.1. Oxides of sulphur
2.1.1. Desulpburization of coal
2.1.1.1. Inorganic sulphur removed from coal by hydraulic washing of powdered coal
2.1.2. Desulpburization of flue gases
2.1.2.1. Powdered coal heated with powdered limestone
2.2. Oxides of nitrogen
2.2.1. Fitting of catalytic converters
2.2.1.1. Release only harmless gases such as CO2,H2O and N2
2.2.2. Treatment of coal
2.2.2.1. Sulphur-free coal gives water gas
2.3. Carbon monoxide
2.3.1. Emission CO, NOx and unburnt hydrocarbons prevented
2.4. Particulate matter
2.4.1. Using electrostatic precipitators
2.5. Asbestos
2.5.1. Using electrostatic precipitators
2.6. Industrial Pollution
2.6.1. Process modification
2.6.2. Use of green solvents
2.6.3. Catalysts
2.6.4. Waste processing
3. Pollutant Stability
3.1. degradation
3.1.1. chemical
3.1.2. microbial
3.2. non - biodegradable
3.2.1. polycyclic
3.2.2. aromatic hydrocarbon
3.2.3. polychlorobiphenyls
3.2.4. chlorofluorocarbon