This document discusses various types of pollution including noise pollution. It notes that noise pollution occurs when unwanted sound disrupts one's quality of life. Transportation, construction, and industrial activities are major sources of noise pollution in urban areas. The effects of noise pollution include stress, hearing loss, sleep disruption, and lost productivity. Some ways to control noise pollution mentioned are reducing sound at the source, blocking sound transmission, protecting receivers from noise, raising awareness, and establishing legal standards. The document emphasizes individual actions can help prevent environmental degradation.