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 6, NUMBER 11, NOVEMBER 1993
Initiative: The Clinton Administration and major U.S. auto makers have
agreed on a partnership to design cars for the 21st century. Fashioned after
successful Japanese government-industry partnerships, the arrangement is
intended to triple fuel efficiency within a decade through cooperation rather
than regulations. See Science, p. 172, Oct. 8 1993.
NAFTA: The North
American Free Trade Agreement, which passed the U.S. House of Representatives in
November, is expected to increase greenhouse gas emissions through accelerated
economic growth, as discussed in Energy, Econ. & Clim. Change, pp.
Methane reports: A
series of legislatively-mandated studies on methane emissions and control
options has been completed by the U.S. Environmental Protection Agency. (See the
Reports/Emissions section in this month's issue.)
The Effects of Climate
Regulations on electric utilities are projected to be larger and more
immediate than direct climate impacts, according to a study funded by the
Electric Power Research Institute in the U.S. and the Central Research Institute
of the Electric Power Industry in Japan. The study, to be published next year,
is discussed extensively in Energy, Econ. & Clim. Change, pp. 9-12,
UV-B effects in Chile:
A team of international researchers investigating anecdotal reports has found no
convincing evidence of any short-term effects of elevated UV-B exposure in
southern Chile or Argentina, according to Global Environ. Change Rep.,
p. 6, Sep. 24.
"The $1.5 Billion
Question: Can the U.S. Global Change Research Program Deliver on its Promises?"
R. Monastersky, Science News, pp. 158-159, Sep. 4. (See Global
Climate Change Digest, p. 8, Oct. 1993.)
Renewed Backlash on Global Warming," W.K. Stevens, The New York Times,
pp. C1, C6, Sep. 14. A recent spate of articles and books characterize the
thesis of global warming as hysteria and a socialist ploy; the rhetoric is the
mirror image of that heard five years ago when record summer heat prompted
warnings of climatic apocalypse. This article summarizes point-by-point the
major arguments of the critics and the responses of scientists. (See also
related letter to the editor ibid., p. A24, Sep. 28 1993.) "Greenhouse
Effect Seems Benign So Far" (B. Rensberger, The Washington Post,
pp. A1, A9, June 1 1993) also summarizes countervailing scientific views.
Surface: Two Points of View on Global Warming," B. Rensberger, The
Washington Post, p. A3, July 26. Presents a chart of satellite measurements
of air temperatures from 1979 through June 1993. NASA scientists, John Christy
and Roy Spencer, think their data shows that global warming is less of a problem
than climate models indicate; modeler James Hansen distrusts these data because
they show no signs of warming, while surface temperature measurements do. A
third scientist, Jerry Mahlman, points out that all data sets have problems.
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