Question

What are the preventive measures to control ozone depletion?

Answer 1

Answer:

Less usage of devices that promote cloro fluro carbon.

Answer 2

Answer:

Measure to protect ozone layer-

(a)Concern over increasing global ozone depletion led to international restrictions in the use and manufacture of CFCS and halons.

(b) International concern over the seriousness of the problems associated with ozone layer depletion led to the adoption of Vienna convention for the protection of the ozone layers in 1985.

(C) Promotion of an international treaty known as Montreal protocol (1987), to which over 140 countries agreed to the reduction and eventual phasing out of the manufacture and use of most ozone depleting substances.