Pollution is the introduction of contaminants into the natural environment that cause adverse change. pollution can take the form of chemical substance or energy. pollution are of many types such as noise, water, soil, air and land pollution. pollution is often classified as point source or non point source. Pollution can be worse at terms of diseases. it can cause diseases such as throat inflammation, chest pain,cardiovascular disease that can be lethal. Pollution can be controlled by recycling,preventing , composting and many more. It is caused primarily by burning matter. The Texicology and environmental health program at US National Library of Medicine maintains a comprehensive control on pollution.We should minimize the amount of waste. Any educated person should be wise enough not to pollute the earth.