Conversation between me and butterfly.
ME:hey,butterfly wait where are u going?
BUTTERFLY:I am going to fly in the cool air that comes from the nature which was given by god.
ME:why you are going out for the cool air?come let's enjoy the coldness in the room by switching on AC.
BUTTERFLY:AC.by using ac we cannot get the coolness that comes from the nature.
ME: Now a days all are enjoying the coldness by using AC.It is the great invention which was invented by man.
BUTTERFLY:though it the great invention it is releasing cfc (poisonous gases) into the air which pollutes the environment and it is one of the causes for the o3 depletion.
ME:really I also will stop the usage of ac and i will tell the disadvantages to those who are using acs'
BUTTERFLY: that's good.lets go and enjoy the beauty of the nature.