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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

REPORTS...
EMISSIONS: METHANE

Item #d93nov64

EPA series: The following have been produced by the U.S. Environmental Protection Agency in response to requirements of the 1990 Clean Air Act Amendments, and are available from the Global Change Div. (6202J), U.S. EPA, 401 M St. SW, Washington DC 20460 (202-233-9110).

Anthropogenic Methane Emissions in the United States: Estimates for 1990 (EPA 430-R-93-003), 260 pp., Aug. 1993. Presents detailed estimates for emissions from the natural gas system, coal mining, landfills, livestock and other sources.

Current and Future Methane Emissions from Natural Sources (EPA R-93-011), 126 pp., Nov. 1993. Gives global estimates of emissions from those natural systems most likely to be sensitive to climate change; i.e., wetlands, gas hydrates and permafrost.

Opportunities to Reduce Anthropogenic Methane Emissions in the United States (EPA 430-R-93-012), 382 pp., avail. soon. Evaluates options for reducing emissions and estimates the portion of current and future emissions that could be reduced.

Options for Reducing Methane Emissions Internationally. Vol 1: Technological Options... (EPA 430-R-93-006), 265 pp.; Vol. 2: International Opportunities... (EPA 430-R-93-006B), 215 pp. Avail. soon. Describes the most promising international options through technologies that are in use or under development.

Item #d93nov65

Methane Emissions from Coal (IEAPER/04), I.M. Smith, L.L. Sloss, 26 pp., Nov. 1992, £20 member /£30 nonmember countries of IEA Coal Res. Assesses methods for evaluating emissions.

Item #d93nov66

Modeling Global Methane Emissions from Livestock: Biological and Nutritional Controls (NASA-CR-191354), D.E. Johnson (Colo. State Univ., Ft. Collins), 80 pp., Oct. 1992. NTIS: N93/15480/5; $19.

Compiled an extensive database of measurements primarily on cattle and sheep, which indicates influences of husbandry, diet, physiological state etc. However, little experimental data is available for two-thirds of the world's ruminants in developing countries.

Item #d93nov67

Development of an Empirical Model of Methane Emissions from Landfills (EPA/600/R-92/037), R.L. Peer et. al. (Radian Corp., Res. Triangle Pk., N.C.), 1992. NTIS: PB92-152875; $26.

Regression analysis of measurements from 21 U.S. landfills showed that depth was the best predictor of emissions, with refuse mass second; much variability in methane recovery remained unexplained. Proposes a model.