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Long answer type question Montreal protocol is an essential step. Why is it so? - Biology

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Answer in Brief

Long answer type question

Montreal protocol is an essential step. Why is it so?

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Solution

i. Recognising the harmful effects of ozone depletion, an international treaty, known as the Montreal Protocol was signed at Montreal (Canada) in 1987 to control the emission of ozone-depleting substances.

ii. Later, many more efforts have been made and protocols have laid down definite roadmaps separately for developing and developed countries for reducing the emission of CFCs and other ozone-depleting chemicals.

iii. Montreal Protocol primarily focuses on chloro or Bromo derivates of hydrocarbons which are the main reasons for the depletion of the ozone layer.

iv. Montreal Protocol has provided a mechanism to reduce and phase-out the global production and consumption of substances that deplete the ozone layer.

v. Montreal Protocol has helped in successfully reducing the global production, consumption, and emissions of substances that deplete the ozone layer.

vi. Encouraging evidence for recovery of stratospheric ozone has been found. If the Montreal Protocol was not brought in, ozone depletion likely would be much greater than observed today. Hence, the Montreal Protocol is an essential step.

Concept: Ozone Layer Depletion
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APPEARS IN

Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 15 Biodiversity, Conservation and Environmental Issues
Exercises | Q 4.1 | Page 342
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