Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:
Correct answer: C. 1987
- A. 1985
- B. 1986
- C. 1987
- D. 1988
Explanation
The Montreal protocol was signed in Montreal, Canada, by over 150 countries at a convention in 1987 to cut use of CFCs (chlorofluoro carbons). The aim of the protocol was to protect the ozone layer in the stratosphere by decreasing and eventually eliminating the use of ozone depleting substances like CFCs. It is regarded as one of the most successful international treaties in modern history.
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