From: Adam 

Glenn Meadows wrote:
> Hmm....so global warming is a NATURAL thing?  We'd warm faster without human
> intervention?  Methinks that it's possible that our contribution to global
> warming might be an insignificant factor, and we might have actually slowed
> it for a time?
>
Why are you confusing a transparent gas such as CO2 with smog?

If you like you could try a test in which you sit in a sealed glass
container & I pump in CO2 & when the levels of light dim
appreciably from the input of CO2 I'll turn off the pump.

Adam

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