The document discusses several types of air pollution including greenhouse gases, ozone depletion, and acid rain. Greenhouse gases cause global warming and displace animals from their habitats. The ozone layer protects the Earth from cosmic rays but is being depleted, which could endanger life. Acid rain corrodes buildings and damages trees. The major causes of air pollution are factories, automobile exhaust, industrial waste gases, and certain refrigerants. Some ways to reduce air pollution are through energy saving, recycling, reducing waste, and regulating indoor temperatures. Everyone should do their part to help address air pollution for the future of the planet.