Posted by Nigel Worthington on April 4, 2008, 7:42 am
78.143.198.X
This is a complicated article and I will welcome further comment. As I read it there was 23% correlation found. It is understood that the formation of low lying clouds (or rather the reduction of this) is one of 3 ways that high solar activity might cause global warming - the others being direct heat radiation (of course) and ultraviolet. Would they expect more than 23% for the clouds effect?
It is not mentioned that there is experimental work planned at CERN which should show whether cosmic rays do help form clouds. It is also not mentioned that there has been an extraordinary good correlation between solar activity and temperature (especially in the arctic) since the 19th Century. This "fit" is very much better than with CO2 levels. See Additional Links page:
"Environmental Effects of Increased Atmospheric Carbon Dioxide" figure 3
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