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Global Climate Change Digest

A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999



Item #d95nov99

Sulfate aerosols: In a recent issue of Nature, L.D.D. Harvey comments on GCM experiments by Hanson et al., that appear to successfully replicate the combined effects of increased CO2 and sulfate aerosols on the temperature record of the last few decades. (See Prof. Pubs./Clouds, Aerosols and Climate, this issue--Nov. 1995.)

Another study, discussed in New Scientist by J. Gribbin (p. 18, Oct. 14, 1995), suggests that sulfate aerosols have caused changes in atmospheric circulation patterns in the Northern Hemisphere that would explain the cooling observed in recent decades in the North Atlantic and North Pacific. (See Erickson article, GCCD,Prof. Pubs./Of Gen. Interest/Clouds and Aerosols, Sep. 1995)

Item #d95nov100

Destruction of CFCs collected from used appliances could be accomplished in water using ultrasound, according to work by Japanese researchers reported in Chemistry Letters, (p. 203, Mar. 1995) and discussed in New Scientist (p. 20, May 27, 1995).

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