JAGTIV · Previous Year Questions

UPSC

ENVIRONMENT · 2015

Previous Year Question

Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?

A.

Bretton Woods Conference

B.

Montreal Protocol

C.

Kyoto Protocol

D.

Nagoya Protocol

Correct Answer: B

Detailed Solution

  • The Montreal Protocol is the international agreement associated with controlling and phasing out the production and consumption of substances that deplete the ozone layer.

  • Its full name is the Montreal Protocol on Substances that Deplete the Ozone Layer.

  • It was adopted on 16 September 1987 and entered into force on 1 January 1989.

  • It was created under the Vienna Convention for the Protection of the Ozone Layer of 1985.

  • The stratospheric ozone layer absorbs a large portion of the Sun’s harmful ultraviolet-B radiation.

  • Chlorofluorocarbons and other ozone-depleting substances reach the stratosphere and break down under ultraviolet radiation.

  • Chlorine and bromine radicals released during their decomposition can destroy large numbers of ozone molecules through catalytic reactions.

  • The Montreal Protocol established time-bound reductions for controlled substances such as CFCs, halons, carbon tetrachloride, methyl chloroform, methyl bromide and HCFCs.

  • Different schedules were established for developed and developing countries to account for their different capacities and development needs.

  • A Multilateral Fund was established under the Montreal Protocol to provide financial and technical assistance to developing countries.

  • The Montreal Protocol is regarded as one of the most successful international environmental agreements and has achieved universal ratification.

  • The Kigali Amendment of 2016 added a framework for the phased reduction of the production and consumption of HFCs.

  • HFCs do not deplete the ozone layer, but many of them are greenhouse gases with extremely high global warming potential.

  • The Bretton Woods Conference of 1944 concerned the international monetary and financial system and the establishment of the IMF and World Bank.

  • The Kyoto Protocol was a UNFCCC agreement concerning reductions in greenhouse gas emissions by developed countries.

  • The Nagoya Protocol concerns access to genetic resources and the fair and equitable sharing of benefits arising from their utilisation.

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