Question

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

Answer 1

Correct option(b) 1987

Explanation

In 1987, twenty-seven industrialised countries signed the Montreal protocol for a reduction in production and release of CFCs chlorofluorocarbons depleting the ozone layer, into the atmosphere. It was followed by increasingly stringent amendments in London in 1990 and in Copenhagen in 1992.