February 28, 2007
GCRIO Program Overview
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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 2, AUGUST 1988
"Point-Counterpoint: Thinning on Top," The Environmental
Forum, 5, 14-19, Jul./Aug. 1988.
Stratospheric ozone depletion is expected to cause dramatic increases in
skin cancer, cataracts, and immunological diseases. It threatens the marine food
web, vegetation and important food crops. Is the Montreal Protocol a sufficient
response to the problem? Four important perspectives on this issue are
"Moving Forward Together," E.B. Claussen (U.S. EPA). A deputy
administrator explains the Environmental Protection Agency's implementation of
"Global Emergency," D.D. Doniger (Natural Resour. Defense
Council). Dramatic new scientific findings have shown that neither the Protocol
nor the EPA regulations go far enough.
"A Sound Framework, A Flawed Regulation," S.J. Shimberg (Senate
Comm. Environ. Public Works). Protection of the environment requires elimination
of manufactured ozone-depleting substances; urges unilateral action by the U.S.
"Global Cooperation, Not Unilateral Action," J.M. Steed (E.I.
DuPont de Nemours and Co.). DuPont's position on the CFC/ozone issue has
consistently been responsive to the best available scientific information.
"Climate Change, Global Change: What is the Difference?" S.I.
Rasool (Off. Space Sci., NASA, Washington, D.C.) Eos, 668, Jun. 21,
The study of global change is more than trying to predict the weather and
climate next year, the primary focus of the World Climate Research Program. In
contrast, the International Geosphere-Biosphere Program (IGBP) on global change
is an interdisciplinary study concerned with the processes that change earth on
time scales of decades to centuries, processes in which the mechanisms and
driving forces are very different because chemical, biological and geophysical
processes are involved.
"Effects of Global Change," R.G. Fleagle (Dept. Atmos. Sci.,
Univ. Wash., Seattle, WA 98195), Nature, 333(6176), 794, June
Consequences of large-scale environmental change are beginning to affect
policy decisions of business and industry more profoundly than ever before. To
respond appropriately corporations now need more than an in-house environmental
staff. A better format could utilize an advisory group that has contacts with
relevant interdisciplinary research groups and would be able to develop regular
"A Second World Climate Conference--Guest Editorial," J.H.
Ausubel (Nat. Acad. Eng., 2101 Constitution Ave. NW, Washington DC 20418), Climatic
Change, 11, 289-90, Dec. 1987.
A second World Climate Conference could help provide the stimulus for
another decade of rapid progress in climate studies and strengthening of
national climate programs.
"The Antarctic `Ozone Hole' and Its Possible Global Consequences,"
H.U. Dütsch (Atmos. Phys. Lab., Fed. Inst. Technology, 8093 Zürich,
Switzerland), Environ. Conserv., 14(2), 95-97, Summer 1987.
All the new photochemical schemes to explain ozone depletion agree on the
main points. There is very low NOx content in the Antarctic lower stratosphere
at the end of the polar night; high concentrations of active chlorine, or of
other chemical species from which active chlorine is easily produced by
photodissociation after the return of the sun, fuel the photodissociation of
ozone. The overall correctness of the photochemical cause of the 'hole' can
hardly be doubted, and the depletion of ozone may be considerably stronger than
has so far been expected.
"Climate Research Priorities From the Impacts Viewpoint,"
T.M.L. Wigley (Clim. Res. Unit, Univ. E. Anglia, UK), Clim. Monitor,
16(2), 70-75, May. 1987.
A major workshop on the impacts of climatic change was held in
Noordwijkerhout, The Netherlands, Oct. 17-21, 1987. The final recommendations
present priorities for climate research based on a perspective which differs
somewhat from the viewpoint of the mainstream climatological community. The
general recommendations are: detection of greenhouse-gas-induced climatic change
at the regional level; validation of general circulation models at the regional
level; development of a broader spectrum of scenarios; obtaining sub-gridscale
details of climatic change to supplement the coarser resolution GCM scenarios;
obtaining information on changes in variability and extreme events; studying
inter-relationships between climate, air chemistry and air pollution.
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Index of Abbreviations