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Politics : Evolution -- Ignore unavailable to you. Want to Upgrade?

To: longnshort who wrote (10088)	11/21/2010 4:00:57 PM
From: Jacques Chitte	Read Replies (1) \| Respond to of 69300

Water vapor has about three times the greenhouse effect of carbon dioxide under current conditions. But to accept that prima facie would be unsophisticated. Water vapor contains the seeds of its own self-limitation in a negative feedback cycle. More water vapor means more clouds which has a cooling effect to exceed the heating effect from the increase in water vapor ... Carbon dioxide has no temperature-dependent transparency issues. Even though its gross contribution is smaller, it acts as the primary control or indicator.