Justify the need for the signing of the 'Montreal Protocol' by the participating nations in 1987.
Montreal Protocol was signed in 1987 in Montreal, Canada. The reason behind signing this protocol was to control the emission of CFCs and other ozone-depleting chemicals. These chemicals are responsible for the depletion of the ozone layer and result in the development of the ozone hole. Disruption in the ozone layer can have a deleterious effect on all living beings and the environment.
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- Ozone - Ozone Depletion in the Stratosphere