<Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (March 2009) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (March 2009) </Td> </Tr> <P> Noise pollution or noise disturbance is the disturbing or excessive noise that may harm the activity or balance of human or animal life . Noise-wise India can be termed as the most polluted country in the world . The source of most outdoor noise worldwide is mainly caused by machines and transportation systems, motor vehicles, aircraft, and trains. (1) (2) In India the outdoor noise is also caused by loud music during festival seasons. Outdoor noise is summarized by the word environmental noise . Poor urban planning may give rise to noise pollution, since side - by - side industrial and residential buildings can result in noise pollution in the residential areas . </P> <P> Indoor noise can be caused by machines, building activities, and music performances, especially in some workplaces . Noise - induced hearing loss can be caused by outside (e.g. trains) or inside (e.g. music) noise . </P>

Bad effects of various festivals on the environment conclusion wikipedia
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