Q. Montreal protocol, which calls for appropriate action to protect the ozone layer from human activities was passed in the year
A) 1986
B) 1987
C) 1988
D) 1985
Explanation
In 1987, twenty seven industrialized countries signed the Montreal protocol for reduction and release of $CFCs$(chlorofluorocarbons) depleting ozone layer, into the atmosphere. It was followed by increasingly stringent amendments in London in 1990 and in Copenhagen in 1992.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.