Michael Coslo wrote:
...still waiting for a scientific refutation of the heat retaining
effect of increasing percentages of CO2 in gaseous media......

Every time it has happened in the past, an ice age
followed. One might argue that a certain level of CO2
actually triggers an ice age.

http://en.wikipedia.org/wiki/Image:V...core-petit.png

http://en.wikipedia.org/wiki/Image:I...emperature.png
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73, Cecil http://www.w5dxp.com