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Solution:
An international treaty, Montreal Protocol, was signed at Montreal, Canada, in 1987 to curb the emission of ozone-depleting substances.
More protocols have been laid down in controlling the emission of CFCs.
bottom of page
Solution:
An international treaty, Montreal Protocol, was signed at Montreal, Canada, in 1987 to curb the emission of ozone-depleting substances.
More protocols have been laid down in controlling the emission of CFCs.