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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 #d93jul71

Over 200 experts compared current estimates of the costs of potential impacts of climate change and of mitigating greenhouse emissions, at a major conference organized in June by the Organization for Economic Cooperation and Development. According to accounts of the meeting in Global Environ. Change Rep. (p. 4, June 24) and Intl. Environ. Rptr. (p. 475, June 30), most economic models estimate that the global average impact of a doubling in greenhouse gases would be one or two percent of gross national product (GNP), although the impact could be much larger in developing countries. Depending on the type of economic model used for the estimate, estimates of the average costs of mitigation vary much more, ranging from no cost to at least two percent of GNP. The conference generally agreed that a mixture of market incentives and regulations will be needed for controlling emissions.

Papers presented at the meeting may be obtained from Tom Jones, Administrator, Environment Directorate, OECD, 2 rue André Pascal, 75775 Paris Cedex, France.

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