Noise Pollution

Noise pollution can be defined as any disturbing or unwanted sound levels that may lead to adverse effects on humans, wildlife, other living organisms, and environmental quality. Noise becomes harmful when it exceeds 75 decibels (dB) and sound levels less than 75 dB are not damaging to living organisms. The word noise has come from the

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Water Pollution

Deterioration of physical, chemical, biological characteristics of water through natural & anthropogenic activities to such an extent that it becomes harmful to human beings, plants &animals. Source of water pollution: Point source Diffused source Point sources are those which discharge pollutants from specific locations (pipeline, sewers) to water bodies& common sources are (i) industries (ii)sewage

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Air pollution is defined as limited to the situation in which the outdoor ambient atmosphere contains materials in such concentrations which are harmful to man and its surrounding environment. In general air pollution may be defined as the imbalance in quality in the air due to the introduction of foreign material from natural or artificial