Air Pollution. Due to cutting of trees, burning of wood, burning of fossil fuels, smoke released from factories and industries, smoke released from vehicles our air is getting polluted. Due to air pollution, human beings suffer from a number of diseases like Asthma, Bronchitis, Cancer. Air pollution also affects the growth of plants. Air pollution causes damage to our beautiful historical monuments. To reduce pollution, we should take some preventive measures: Plant more trees. Avoid bursting firecrackers. Make more use of public transport. Service your vehicles regularly. Factories and power plants should be set up far from residential areas to reduce air pollution.