Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

Options

A. 1986
B. 1987
C. 1988
D. 1985

Answer

B

Explanation

In 1987, twenty seven industrialised countries signed the Montreal protocol for reducing in production 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.