I believe I'm correct that there is a general belief that Global
Warming is caused by increased greenhouse gases, most notably CO².
Perhaps you can explain, or tell me where to go, how it is that CO²,
which makes up just .038% of the atmosphere, is the culprit. The
reason for my question is that water vapor, also a greenhouse gas,
varies between 0% and 4% of the atmosphere, which on any given day is
a much greater variance than the continuing increase in CO². So, CO²
must have a much greater greenhouse effect in the atmosphere than
water vapor. Why is this?
Consider
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