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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 #d97feb73

Antarctic ozone: The 1996 ozone hole had an average size of 8.3 million square miles, similar to observations of the last four years and slightly less than the record (8.5 million in 1993). This conclusion is based on data from two NASA Total Ozone Mapping Spectrometer instruments (Bull. Amer. Meteor. Soc., pp. 2979-2980, Dec. 1996). TOMS ozone data and pictures are available on the World Wide Web at

Item #d97feb74

Joint implementation: Prospects for joint implementation projects to mitigate climate change are not good, according to a January meeting in New Delhi of developing countries, organized by the Indian nongovernmental organization Development Alternatives. Some feel the pilot phase under the climate convention needs to be extended up to ten years, and that it currently suffers from a lack of trust between developed and developing countries. (See Nature, p.188, Jan. 16, 1997.)

Item #d97feb75

Birth rate slows: A U.N. study about to be published shows that the world birth rate has slowed dramatically and unexpectedly, due to a decline in world fertility. It also indicates that Africa's population has exceeded Europe's for the first time in recorded history. (See New Scientist, p. 6, Dec. 14, 1996.)

Item #d97feb76

Public understanding of climate change: A study done for the National Science Foundation shows that only one out of every nine people surveyed in the U.S. could offer an explanation of global warming; understanding of ozone depletion was not much better. (See Science and Engineering Indicators 1996, Global Climate Change Digest, REPORTS/GENERAL INTEREST, Jan. 1997, and article in Eos, p. 335, Aug. 27, 1996.)

Item #d97feb77

Biosphere 2, the closed ecosystem structure in the Arizona desert, is moving ahead in its new life as a bona fide research facility under the leadership of William Harris, formerly of the National Science Foundation. (See Science News, pp. 312-313, Nov. 16, 1996.)

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