The term 'SOME URBAN POLLUTANTS' can refer to a variety of pollutants that are found in urban areas, such as NOISES (6 letters). These pollutants can include air pollution, water pollution, and noise pollution. Air pollution is caused by the release of harmful gases and particles into the atmosphere, while water pollution is caused by the release of hazardous chemicals and other contaminants into bodies of water. Noise pollution is caused by loud and persistent noises, such as those from traffic, construction, and industrial activities. All of these pollutants can have serious health and environmental impacts.