Human beings are responsible for the depletion of ozone layer in the stratosphere. Some of the activities which have led to this depletion are:
The use of enormous amount of CFC's (chlorofluorocarbon) in various forms such as the aerosol cans, refrigerators, deodorants, air conditioners etc.
The rockets or jets which fly in the stratosphere release a number of gases which in turn can deplete ozone.
of the ever-growing industries all over the globe the amount of
greenhouse gases which are released from these industries account for
the greenhouse effect which is indirectly related to the ozone