environmental pollution bengali essay pdf download

One of the biggest problems facing the world today is pollution of the environment, more and more with each passing year and cause serious and irreparable damage to the Earth. pollution of the environment consists of five main types of pollution, namely, air, water, soil, noise and light.

Air pollution is by far the most dangerous form of pollution in our environment. Air pollution is caused by harmful smoke emitted by cars, buses, trucks, trains and factories, namely sulphur dioxide, nitrogen oxides and carbon monoxide. Even the smoke of burnt leaves and cigarettes are harmful to the environment causing a lot of damage to humans and the atmosphere. Evidence of the growing air pollution is seen in lung cancer, asthma, allergies, and various respiratory problems as well as severe and irreparable damage to the flora and fauna. Even the most natural phenomenon of migratory birds has been hampered with serious air pollution preventing them from reaching their seasonal Metropolitan destinations of the centuries.

Chlorofluorocarbons (CFCS), released by refrigerators, air conditioners, deodorants and insect repellents cause serious damage to the Earth's environment. This gas has slowly damaged the atmosphere and depleted the ozone leading to global warming.