I need clean Air!!!

             What Kind of air do we have now?  How about the next generation? 50  years from now the clean  air is  for sale!!!  A substance in the air that can be harmful to humans and the environment is known as an air pollutant. Pollutant affect our lungs that result Lung Cancer and it also the cause of skin cancer, so to suvive we need to buy clean air  that very expensive. It may happen if we are not care for the environment. Let us save our air to  avoid  buying of clean air someday!!!!!