The document discusses several types and causes of pollution. Air pollution is identified as the most prominent and dangerous type, caused by smoke from burning coal, chimneys, factories, and wood. Water pollution has negatively impacted many surviving species that live in water bodies. Approximately 60% of all species live in water. Soil pollution occurs due to human activities incorporating unwanted chemicals into the soil. Noise, radioactive, thermal/heat, and light pollution are also discussed along with their causes.