UN downgrades man's impact on the climate

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UN downgrades man's impact on the climate

 


11/12/2006 - Mankind has had less effect on global warming
than previously supposed, a United Nations report on climate
change will claim next year.

In a final draft of its fourth assessment report, to be published in
February, the panel reports that the level of carbon dioxide in the
atmosphere has accelerated in the past five years, and that the
climate is almost certain to warm by at least 1.5 C during the
next 100 years.

However, it has halved its predictions for sea-level rise by 2100,
one of the key threats from climate change. It says improved data
have reduced the upper estimate from 34 in to 17 in. (Halved!
I wonder how long it will take them to realize that sea levels
are actually falling?)

It also says that the overall human effect on global warming since
the industrial revolution is less than had been thought, due to the
unexpected levels of cooling caused by aerosol sprays, which reflect
heat from the sun. (Does this mean that aerosol sprays are good?)

The report states that snow cover in mountainous regions will
contract and permafrost in polar regions will decline (but obviously
not as much as previously believed
).

http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2006/12/10/nclimate10.xml
Thanks to Tom Weatherby for this link

 

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