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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 3, NUMBER 5, MAY 1990

NEWS...
RESEARCH NEWS

Item #d90may67

"Beware Greenhouse Confusion", T.P. Barnett, Nature, pp. 696-697, Feb. 22, 1990. The sophisticated statistical analysis by Kuo et al. of global mean temperature and Mauna Loa CO₂ concentrations may leave the impression that global warming has been detected with high confidence, but this is not the case. (See Kuo article, PROF. PUBS./OF GEN. INTEREST, this Global Climate Change Digest issue--May 1990.)

Item #d90may68

"Releaf for Greenhouse? Don't Cut Old Forests," R. Monastersky, Science News, p. 85, Feb. 10, 1990. A study in the U.S. Pacific Northwest shows that it takes about 200 years for the carbon storage of a replanted forest to approach that of old growth forests. The results are changing the Forest Service view that cutting old growth forests will help global warming. (See Harmon article, PROF. PUBS./OF GEN. INTEREST, this Global Climate Change Digest issue--May 1990.)

Item #d90may69

"Amazon Forest Unlikely to Rise from Ashes," R. Monastersky, Science News, p. 164, Mar. 17, 1990. Results from a high-resolution general circulation model, with advanced representation of vegetation and soil effects, show that local alterations to rainfall resulting from the cutting of tropical forests would hinder the development of new forest. (See Shukla article, PROF. PUBS./OF GEN. INTEREST, this Global Climate Change Digest issue--May 1990.)

Item #d90may70

"A Nuclear Winter Would `Devastate' Australia," J. Gribbin, P. Butler, New Scientist, p. 32, Mar. 3, 1990. Updated research by the TTAPS group of investigators finds that original calculations of nuclear winter effects are basically sound; a nuclear exchange confined to the Northern Hemisphere would cause devastating climatic changes and crop failures in Australia. (See Turco article, PROF. PUBS./GEN. INTEREST, Global Climate Change Digest, Feb. 1990.)