February 28, 2007
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Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 1, NUMBER 5, NOVEMBER 1988
EPA CALLS FOR COMPLETE PHASEOUT
On September 26, U.S. Environmental
Protection Agency (EPA) Administrator Lee M. Thomas stated the 50 percent
reduction in production of chlorofluorocarbons and restrictions on halons
specified by the Montreal Protocol is insufficient to protect the ozone layer.
An EPA report released the same day (see REPORTS, this Global Climate Change
Digest issue--Nov. 1988) concludes there will still be growing chlorine and
bromine levels in the stratosphere under the protocol, and a complete phaseout
of damaging chemicals is necessary to stabilize stratospheric ozone levels.
Thomas urged rapid ratification of the protocol, and cooperation to achieve
further reductions under its provision for taking into account emerging
scientific evidence. He gave no specific timetable for a phaseout. The Montreal
Protocol on Substances that Deplete the Ozone Layer needs ratification to go
into effect January 1, 1989; as of early October 10, countries had ratified. See
Global Climate Change Digest, NEWS, Sep. 1988; Science, p. 25,
Oct. 7; New York Times, p. A20, Sep. 27.
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