All these have added to the noise nuisance in the environment. Moreover, there has been a population explosion, due to which there is heavy traffic, urban crowd and electric equipment (luxury items and entertainment). These days there has been rapid industrial growth.
This too was not much as there were only a few industries. Formerly noise was limited only to the industry. The importance of noise as a pollutant having a deleterious effect on the peace of mind and beauty of the environment is increasing every day. In China, till the third century BC, noise was used as a method of torture instead of hanging men for the dangerous crime. The decrease in productivity affects both city dwellers and people who work in factories or in industrial areas. Noise pollution means, “the unwanted sound dumped into the atmosphere leading to health hazards”.Įven if noise is not sufficiently loud to constitute a direct threat to human health, continuous exposure to noise shortens human beings sleeping hours and reduces their productivity. Noise is also defined as “wrong sound, in the wrong place at the wrong time”.
The word noise (Latin nausea) is usually defined as an unwanted or unpleasant sound that causes discomfort. Noise not only cause irritation or annoyance but it constricts your arteries, increases the flow of adrenaline and forces your heart to work faster. Noise has become a permanent part of our lives these days because of the development of machinery, industry and technology.
What do aeroplanes, trains, cars and pneumatic drills, and radio and television sets have in common? They all produce noise, the most dangerous pollutant of man’s environment. The human ear is constantly being assailed by man-made sound from all sides, and there remain few places in population areas where relative quiet prevails. Noise, with its ever-increasing effects on human beings and on the environment, is defined as an acoustic fact which is unpleasant and arouses disturbing feeling or as the totality of unwanted, undesired sounds. Noise Pollution: Noise Pollution is a direct result of technological development.
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