Noise pollution is defined as the disturbing or excessive noise that may cause harm to the activities and balance to human or animal life. It is considered as unwanted sounds which increase fatigue and some conditions can cause deafness. It has a damaging effect on human being and their environment and also causes disturbance to natural wildlife and ecological systems.
Road and rail traffic is the major cause of noise pollution. It also caused from industrial installation, construction sites and fixed recreation facilities. It is also caused by outdoor equipment which are used on constructional sites. Noise is also produced by household gadgets, vehicular traffic, jet planes, loud speakers, etc.
Few major sources of noise pollution are :
Gadgets like food grinder, mixer, vacuum cleaner, washing machine, dryer, cooler, and air conditioners produce more noise and can prove injurious to health. Other domestic sources that cause noise pollution can be speakers of sound systems, televisions, iPods and earphones. Continuous barking of dogs can be disturbing.
Places of worship and social events like discos, gigs, parties create a lot of noise. In Market areas, people sell with loud shouting voices and speakers to lure customers causing noise.
Commercial and industrial activities:
Industries like printing press, manufacturing industries, construction sites contribute a lot to noise pollution. It is necessary for workers to reduce exposure to heavy noise. Equipments like lawn mowers, tractors, and use of other noisy equipments cause noise.
Flight of planes, jets, vehicles on road, trains constantly creates noise pollution.
Apart from hearing impairment there are other effects caused by noise pollution as follows: