Air And Noise Pollution

AIR AND NOISE POLLUTION

AIR POLLUTION Pollutants enter the air from various resources  Burning of fossil fuel contribute to most of air pollution  Exhaust fumes from vehicle contain: 

Burning of fossil fuel in combustion engines also release huge amount of carbon dioxide  When fossil fuel burns, the elements in the fuels are oxidised  Human activities also cause smog and hazes 

Noise Pollution Noise from cars, motorcycles, aeroplanes, construction site, agricultural and industrial machinery can cause noise pollution  Noise level of residental area should not exceed 55 decibels (dB)  Excessive exposure to high level of noise is consider a health risk because noise can contribute to the development and aggravation of stess-related problems  Repetitive or constant exposure of noise can contribute to deterioration in health 

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