POLLUTION

Pollution means a remarkable change in chemical, physical and biological composition of environment. It has become a serious problem in our country and also many other developing and under developing countries in the world. In our cities, the air is constantly being polluted by smoke from factories and motor vehicles. The carbon monoxide gases emitted from these sources are also harmful for the human beings and other animals of the environment. The ground surface we walk on in both urban and rural areas is also being polluted by uncollected garbage. Water is being polluted particularly as a result of untreated sewage. Industrial waste and insecticides alarmingly pollute water. The another form of pollution is sound pollution. We have noise from motor vehicles, mills and factories, airplanes, domestic appliance, radio, cassette player and so on. The air we breathe, the water we drink, the food we take are not always absolutely pure and hygienic for health. Environmental pollution leads us to the way of death. So to live a happy and healthy life, environmental pollution must be checked. And for this, effective steps should be taken immediately. The steps should be taken to aware the mass people about the harmful affects of pollution.