Air pollution in our country

Air pollution is a very important question.Air is very spreaded in our world.People doesn’t understand,that air will be clear,because it takes our life.little by little we nows the elektrik way of transport.It is most security for us and our nature.We won’t forget,that air pollution damaged the nature of earth.I hope that one day Erevan will be  one of the top-20 most clean towns.