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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: HPilot who wrote (19764)	1/22/2008 12:30:41 PM
From: TigerPaw	Read Replies (1) \| Respond to of 36921

this part is true What is also true is that the CO2 and other greenhouse gasses warm the earth the same way. Visible light from the sun can pass through these gasses, the light strikes something near the surface where it is absorbed and some of that is re-emitted at a lower frequency that does not easily pass through the greenhouse gas. Conduction and convection near the surface help this heat to blow around the troposphere, but conduction and convection is greatly reduced between the troposphere and stratosphere, thereby keeping the heat in the troposphere for a considerable length of time. Ditto with the next thermocline. TP