This document discusses visual pollution, which refers to unwanted sights that impair one's ability to enjoy a vista. It lists various sources of visual pollution like billboards, electric wires, garbage in streets, dumping areas, abandoned vehicles and buildings, vandalism, traffic, sidewalk vendors, and holes in roads. The effects of visual pollution include distraction, eye fatigue, loss of identity, decreases in opinion diversity, and making people short-tempered. Ways to prevent visual pollution mentioned are reducing posters and drawings of graffiti, protecting urban furniture and trees from banners and notices, and not hanging too many items in one place.