Quote:
Originally Posted by Michaelangelica
Isn't anthropomorphic (human caused) CO2 rising a done deal?
Who is stupid enough to challenge it?
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anthropogenic*
It is certainly rising, and it is certainly from us. We also know its radiative effect and greenhouse strength, and so it is possible to determine its effect. What is a bit more uncertain is how the climate will react to those CO2-caused temperature changes (i.e., what will happen with clouds, atmospheric circulation, how will ice respond, etc). This can be highly misleading because although the foundation of AGW is remarkably solid, many details are not, such as how hurricanes might respond, or how tropical diseases may be spread.
Unfortunately, the uncertainly now leaves much more room for bad things to happen than it does for good things to happen...it's an experiment destined to turn out bad, but without every detail quantified, we can't say when or how bad.
