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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 11, NOVEMBER 1990

NEWS...
RESEARCH NEWS

Item #d90nov73

Call for papers: Polar Stratospheric Ozone will be the topic of a special issue of J. Geophys. Res. (Atmospheres). Submit four copies by Jan. 1 to Shaw C. Liu, Chief Editor, R/E/AL2, NOAA Aeronomy Lab., 325 Broadway, Boulder CO 80303. (See Eos, Oct. 16, 1990.)

Item #d90nov74

Ocean Fertilization: Announced at the August 1990 meeting of the British Association for the Advancement of Science were plans to test the controversial idea for reducing atmospheric carbon dioxide levels by sowing the oceans with iron filings. This joint project of the U.K. Natural Environmental Research Council's Plymouth Marine Laboratory and the University of Rhode Island would be on a much smaller scale than that proposed recently by U.S. researchers. (See Global Climate Change Digest, NEWS, Aug. 1990, and "Filing Plans for Algae," D. Concar, Nature, p. 691, Aug. 23.)

Item #d90nov75

"Crops Threatened by Increases in Ultraviolet," I. Anderson, New Scientist, p. 26, Oct. 6, 1990. Results from the longest running study so far (six years) on the biological effects of increased UV-B radiation were presented at an international conference on UV-B organized by the Australian Academy of Science. Alan Teramura of the University of Maryland found that loblolly pine and some varieties of soybean were adversely affected to UV-B exposure from sunlamps.

Item #d90nov76

"Clouds and Global Warming," J. Maddox, Nature, p. 329, Sep. 27, 1990. Recent comparison between observations and predictions suggests that clouds are cooling influences outside the tropics.

Item #d90nov77

"Control of Global Warming?" J. Latham, ibid., p. 339. The author proposes a controlled experiment whereby cloud condensation nuclei are introduced into marine stratus cloud, to test the hypothesis that global warming could be controlled through such a process.

Item #d90nov78

"NASA's Mission to Planet Earth Program Getting Hard Look," P. Zurer, Chem. Eng. News, pp. 21-22, Sep. 24, 1990. NASA's plan to launch a series of huge polar-orbiting satellites, each carrying many instruments for global change research, has been criticized. In the wake of recent technical failures in NASA's other projects, some favor smaller, more flexible satellite systems.

Item #d90nov79

"Ozone Depletion in the Arctic," A. Plumb, Nature, pp. 20-21, Sep. 6, 1990. Discusses the paper by Profitt et al. (p. 31, same issue) which indicates that Arctic ozone depletion is considerable despite the absence of a dramatic "hole." (See Proffitt paper, PROF. PUBS./GEN. INTEREST, this Global Climate Change Digest issue--Nov. 1990.)

Item #d90nov80

"Aerosols: Critical for Climate," R. Monastersky, Sci. News, p. 118, Aug. 25, 1990. Refers to the paper by Hanson and Lacis, Nature, p. 713, Aug. 23. (See PROF. PUBS./GEN. INTEREST, this Global Climate Change Digest issue--Nov. 1990.) Pollutant aerosols could have an important effect on climate and could partially offset greenhouse warming, but the necessary data to investigate this is not being collected.