Noise pollution Read in another language Watch this page Edit Traffic is the main source of noise pollution in cities. A Qantas Airways Boeing 747-400 passes close to houses shortly before landing at London Heathrow Airport . Noise pollution , acontown as environmental noise or sound pollution, is the propagation of noise with harmful impact on the activity of human or animal life. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems. [1] [2] Poor urban planning may give rise to noise pollution, side-by-side industrial and residential buildings can result in noise pollution in the residential areas. Some of the main sources of noise in residential areas include loud music , transportation noise, lawn care maintenance, nearby construction , or young people yelling (sports games). Noise pollution associated with household electricity g...