This document discusses the four main types of pollution: air, water, land, and noise pollution. It provides examples of the causes and effects of each type of pollution. The main causes discussed are vehicles, factories, industrial waste, agricultural run-off, and improper waste disposal. The effects described include health problems, environmental damage, water contamination, and decreased quality of life. Solutions proposed include using public transport, regular vehicle checkups, proper waste treatment, limiting noise, and increasing green spaces.