15-06-2012, 12:42 PM
ENVIRONMENTAL POLLUTION
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Pollution
Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms.
Types of pollution
Air Pollution
Water Pollution
Thermal Pollution
Soil Pollution
Radioactive Pollution
Air pollution
Imbalance in the quality of air so as to cause adverse affects on the living organisms existing on earth.
Control Measures
Removal of pollutants
Reduce sulphur content before burning
Use of energy sources other than fossil fuels
Legal measures from authorities
Increased planting of vegetation
Water Pollution
Contamination of water by addition of undesirable organic, inorganic or biological substances to water sources
Natural sources: soil erosion, leaching of minerals from of rocks and decay matter.
Industrial effluents
Destroys ecosystem and effects human health