Pollution is one of the slow but steady killers of human beings. It can damage nature and all of her children in a continuous process. Pollution is man-made. Pre-historical, archaeological, anthropological, meteorological, and geological significance have enough proof to support the fact there had been no pollution on this earth before human beings started forming communities. Now world is so polluted that we are all diseased in some or other ways by water pollution, air pollution, soil pollution, sound pollution, and many other environmental pollutions. Air pollution is one of the most fatal forms of pollution causing fatal diseases in human body. Most people suffer from allergy, cough, asthma, tuberculosis, respiratory troubles, cardiac ailments, and lung infection because of air pollution. Those who love or work in areas where air is highly polluted must take certain protections to get saved from killer diseases. Wearing face mask all time at work and most of the time at th...