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 7, NUMBERS 11-12, NOVEMBER-DECEMBER 1994
NEWS... ANTARCTIC OZONE
Scientists expected this year's Antarctic ozone hole to be
less severe than it was over the last two years, because
particles from the eruption of Mount Pinatubo, which assist in
the chemical destruction of ozone, are nearly gone. However, the
hole that developed in September and October was about as
extensive as ever. Possible reasons include continued increases
in the levels of chlorine and bromine in the stratosphere,
lingering effects of volcanic aerosols, and unusually cold
stratospheric temperatures. The World Meteorological Organization
labeled this year's hole the deepest on record. (See Science,
p. 217, Oct. 14; Science News, pp. 230-231, Oct. 8; Chem.
Eng. News, p. 5, Oct. 10; Chem. & Industry, p.
807, Oct. 17.)
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