What are the two main issues related to ozone depletion?

Ozone depletion occurs by natural and man made causes. Chlorine and bromine released from man-made compounds such as CFCs are now accepted as the main cause of this depletion.

Chemicals causing ozone depletion

1)Chlorofluorocarbons

2)Carbon Tetrachloride

The depletion of ozone layer will result in the harmful UV rays of sun to reach earth. Some of the harmful effects of ultraviolet radiations are given below.

  • Skin cancer
  • Cataract (clouding of the natural lens of the eye, thereby causing impairment of vision or blindness)
  • Reduction in plant growth
  • Decrease in productivity of crops
  • Reduced phytoplankton
  • Weakening of the immune system
  • Eye cancer etc.

Thus, ozone depletion is harmful for life on earth.

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