Question

The Montreal Protocol on substances that deplete the ozone layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. The Montreal Protocol was assigned in ______.

• A. $1977$
• B. $1987$
• C. $1992$
• D. $1982$

Answer 1

Answer: (B)

$1987$

Montreal Protocol is an international environmental agreement with universal ratification to protect the earth's ozone layer by eliminating the use of ozone-depleting substances (ODS). It was signed on 26 August 1987 and came into force on 16 September 1989.