[Steve Van Doorn]

" The issue is one of the "relative effect" of man vs nature."

Very true.
We can mathematically prove that man creates around 0.6 Deg C on the earth. We can mathematically prove every animal and insect creates. But there is no catastrophic warming in effect.

don't worry mefistofelerevised the sky isn't falling.
Here is a real simple video on this:
http://www.youtube.com/watch?v=TjHLWwbN0SM

[mefistofelerevised]

Did I say the sky was falling? My comment was vague. If freepers don't want to believe man has some kind of effect, probably negative, on the environment, then have your opinion. What the ultimate result will be is unprovable.