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 10, NUMBER 1, JANUARY 1997
OZONE DEPLETION: POLICY
"Recovery of Antarctic Ozone Hole," D.J. Hofmann (CMDL/NOAA,
325 Broadway, Boulder CO 80303; e-mail: email@example.com), Nature,
384(6606), 222-223, Nov. 21, 1996.
Detection of the first signs of healing of the ozone layer is important
because it will provide verification of the research that prompted the ban of
ozone-depleting substances under the Montreal Protocol. This detection may occur
early in the next century, and likely will first be observed over Antarctica
because springtime depletion there is large compared to natural variability.
Owing to their lower natural variability, suitable early ozone-healing
indicators will probably be the ozone-loss rate, and the amount of ozone
remaining in the 12-20 km altitude interval on Sep. 15 each year.
"Estimates of Ozone Depletion and Skin Cancer Incidence to Examine
the Vienna Convention Achievements," H. Slaper (Lab. Radiation Res., Natl.
Inst. Public Health & Environ. Protect.-RIVM, POB 1, 3720 BA Bilthoven,
Neth.), G.J.M. Velders et al., Nature, 384(6606), 256-258, Nov.
Presents a new method of estimating future excess skin cancer risks, which
is used to compare the effects of a "no restrictions" scenario with
two restrictive scenarios proposed through the Montreal Protocol and the
stricter Copenhagen amendments. The no-restrictions and Montreal Protocol
scenarios would produce, respectively, a quadrupling and doubling of skin
cancers by 2100. The Copenhagen amendments would produce a peak relative
increase of about 10% by 2060.
"International Trade and International Technology Transfer to
Eliminate Ozone-Depleting Substances," K.R. Hope Sr. (United Nations,
Botswana), Intl. Environ. Affairs, 8(1), 32-40, Winter 1996.
Examines the mutually reinforcing interdependence of international trade and
international technology transfer for ozone protection. Discusses how this
concept is embodied in sustainable development, and how it applies to specific
trade agreements such as NAFTA, and the creation of the World Trade
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