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Global Climate Change Digest

A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999



Item #d94oct87

An international panel of scientists has concluded that ozone depletion will peak in 1998, and gradually return to normal levels in less than 50 years if the requirements of the Montreal Protocol continue to be followed. Earlier estimates had projected a 100-year recovery period. Further measures that could speed recovery are limited, although tighter controls on hydrofluorocarbons and methyl bromide would help.

See Science, p. 1806, Sep. 23; Global Environ. Change Rep., pp. 5-6, Sep. 9; Intl. Environ. Rptr., p. 757, Sep. 21; Chem. Eng. News, p. 5, Sep. 12. The executive summary of Scientific Assessment of Ozone Depletion: 1994 is available from the Ozone Secretariat, UNEP, POB 30553, Nairobi, Kenya, or the World Meteor. Org., CP 2300, CH-1211 Geneva, Switz. The full 300-page report will be out by the end of the year.

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