Q. An international treaty, Montreal Protocol in 1987 to curb the emission of ozone depleting substances, was held at
A) Canada
B) Kyoto
C) Washington
D) Rio de Janerio
Explanation
An international treaty, Montreal Protocol, was signed at Montreal, Canada, in 1987 to curb the emission of ozone depleting substance. More protocols have been laid down in controlling emission of CFCs
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.