Which one of the following is associated with the issue of control and phasing out of the use of ozone- depleting substances?
✓ Correct answer: b) Montreal Protocol
ExplanationAs a protocol to the Vienna Convention (first inter- national agreement to protect the ozone layer,) Montreal Pro- tocol deals with the substances that deplete the Ozone Layer (ozone-depleting substance-ODS).The Montreal Protocol phases down the consumption and production of the different ODS in a step-wise manner, with different timetables for devel- oped and developing countries (referred to as “Article 5 coun- tries”).The Montreal Protocol is an international treaty de- signed to protect the ozone layer by phasing out the production and consumption of numerous substances responsible for ozone depletion.Finalized in 1987, it has been hailed as one of the most successful environmental agreements, achieving universal ratifi- cation and significantly reducing the presence of ozone-deplet- ing substances (ODS) in the atmosphere.148
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