C.F.C. Pollutants : The full form of C.F.C. is Chloro-fluoro Carbon.
It is used in refrigerator, air conditioner etc.
Chlorine of C.F.C. is responsible to destroy the ozone layer when it is spread in the atmosphere it reaches upto the upper layer of the atmosphere which dissociates the ultraviolet rays coming from the sun and chlorine separated from it becomes harmful for the ozone layer.