climate change

Les Schaffer schaffer at SPAMoptonline.net
Mon Feb 19 08:14:12 MST 2001


Though it is more difficult to predict regional differences in climate
change than overall change, here is a report with some preliminary
predictions. will be interesting to see the basis for these conclusions, to
be posted to the web site indicated later today.

les schaffer

==============

February 19, 2001
Global Warming's Likely Victims
By ANDREW C. REVKIN

Global warming is expected to increase crop yields in temperate northern
regions while harming agriculture in the tropics, further widening the gap
between rich, industrialized countries and poor developing nations,
according to a new analysis by an influential network of scientists.

The analysis also concludes with "high confidence" that the rise in global
temperatures in recent decades has already had a significant impact on
wildlife, glaciers, sea ice and other features of the earth.

A further rise of 2.7 degrees to 10 degrees Fahrenheit, the range of
possibilities over the next 100 years, could disrupt water supplies, flood
coasts, destroy coral reefs and push vulnerable species like the Bengal
tiger to extinction, according to the report.

The report, "Climate Change 2001: Impacts, Adaptation, and Vulnerability,"
is being released today at a meeting in Geneva and on the Internet — at
www.ipcc.ch — by a working group of the Intergovernmental Panel on Climate
Change, which advises the world's governments under the auspices of the
United Nations. An American official who had access to the report provided a
final draft to The New York Times.

[ full article at:

http://www.nytimes.com/2001/02/19/science/19WARM.html

]

========
AAAS Special from San Francisco:
earth: Tropical glaciers in retreat
JOHN WHITFIELD

Kilimanjaro in Tanzania could be ice-free by 2020. The ice on mountain tops
around the tropics is shrinking at an alarming rate, Lonnie Thompson, a
climate researcher at Ohio State University, Columbus, told the annual
meeting of the American Association for the Advancement of Science in San
Francisco this week.

This may well dent Kilimanjaro’s status as a tourist attraction, and people
in surrounding communities who rely on the mountain’s glaciers to release
water during the dry season will suffer. Similar effects will be seen in
Peru, where the meltwater from Andean glaciers generates hydroelectric
power.

Over the past 25 years, Thompson has been documenting the impact of climate
change on ice packs near the equator. "These tropical glaciers are probably
the most sensitive sites on Earth to [climate] change," he says.

http://www.nature.com/nsu/010222/010222-14.html






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