Question

It is said that the use of refrigerators cause ozone depletion.

1. How is it possible?

2. Explain the process of ozone depletion.

3. Name any one treaty signed in the international level to control this phenomenon.

Answer 1

1. The refrigerators emit CFC (Chloro flora carbon). 

2. The CFC’s discharged into the atmosphere reaches the stratosphere. In stratosphere UV rays act on them releasing chlorine atom, chlorine Degrade ozone releasing molecular oxygen. As the chlorine atom are not consumed in this reaction they remain in the stratosphere and have permanent and continuing effect on ozone level.

3. Montreal protocol and Kyoto protocol.