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Pollution

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					                   Pollution
• Pollution is the upsetting of the natural
  balance of the environment.

                 Types of pollution
•   Air pollution
•   Water pollution
•   Land pollution
•   Noise pollution
               Air pollution
• Air pollution is caused when anything is
  added to the atmosphere causing a
  change in the composition of the air.

• Pollutant is anything causing pollution.

• Main sources of air pollution include
  industries, agriculture, traffic and energy
  generation.
Pollutant         Source          Effect

Carbon Dioxide                      Greenhouse
                                    gas, Global
                  Burning of fossil warming
Carbon                 fuels.       Poisonous,
monoxide                            attaches to
                                    haemoglobin
Sulphur dioxide
Oxides of                         Acid rain
nitrogen
Pollutant      Source              Effect
Lead           Leaded              Affect health.
               gasoline,           Lowered IQ in
               paints, gasoline    children.
               additives
Dust, germs,   Clearing of         Respiratory
smoke          land, fires, poor   illness, poor
               ventilation.        health
Methane        Landfills,          Greenhouse
               agriculture         gas (worse than
               (artificial         carbon dioxide),
               fertilizers,        degradation of
               cows), fossil       Ozone layer.
               fuels
Ailments caused by air pollution

• Allergies
• Lung cancer
• Respiratory disorders
         Bronchitis
         Emphysema
           Lung Cancer

• Lung cancer
        • Tobacco smoke contains:
           • Tar (sticks to lungs)
           • Nicotine (addictive)
     • Carbon monoxide (poisonous)
               Legislation
• Anti smoking legislation

				
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