February 28, 2007
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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 10, NUMBER 2, FEBRUARY 1997
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 http://www.jwocky.gsfc.nasa.gov.
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.)
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.)
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.
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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