সুজন ও ফারজানা দুই বন্ধু। সুজন বায়ুদূষণ নিয়ে চিন্তিত। তাদের কথোপকথনের মধ্য দিয়ে আজ আমরা বায়দূষণের কারণ ও বায়ুদূষণ প্রতিরোধে আমাদের করণীয় সম্পর্কে জানব।
Sujon : Hello Farjana! How are you?
Farjana : I am fine. What about you?
Sujon : I am fine too. But I am little worried about air pollution.
Farjana : Oh, I see. Nowadays it has become a great problem which is creating a constant threat to our life.
Sujon : Exactly! Air is being polluted in many ways though it is called the life-giving force.
Farjana : Absolutely! The most common agent that pollutes air is smoke.
Sujon : Yes, smoke pollutes air. Moreover, railway engines, bus, trucks, also use petrol and diesel oil. All these things create smoke and cause air pollution.
Farjana : You are right. Smoke of all kinds produces carbon monoxide and carbon dioxide and thus pollute air.
Sujon : You might have noticed that the most serious air pollution occurs in big industrial areas where there are many big mills and factories.
Farjana : Yes. Besides, it occurs in big cities where many buses, trucks and cars move on the roads every day.
Sujon : Deforestation also plays an important role in air pollution by increasing carbon dioxide in the atmosphere.
Farjana : You are right. And due to air pollution, our environment is getting warm and losing its balance.
Sujon : Exactly! Besides, polluted air is causing different incurable diseases to human beings.
Farjana : But we must take steps to reduce air pollution. To ensure a healthier and happier life, there is no alternative to keep air free from pollution.
Sujon : Of course. We all should be aware and protect our air from further pollution. Thank you.
Farjana : You are most welcome. Bye and see you again
