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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: PKRBKR who wrote (863839)	6/9/2015 3:43:39 PM
From: Wharf Rat	Read Replies (2) \| Respond to of 1579686

"which is the true global warming gas?" CO2 H2O is just a feedback gas. Without CO2, all the water would condense out of the atmosphere. CO2: The Thermostat that Controls Earth's TemperatureBy Andrew Lacis — October 2010 A study by GISS climate scientists recently published in the journal Science shows that atmospheric CO2 operates as a thermostat to control the temperature of Earth. There is a close analogy to be drawn between the way an ordinary thermostat maintains the temperature of a house, and the way that atmospheric carbon dioxide (and the other minor non-condensing greenhouse gases) control the global temperature of Earth. giss.nasa.gov A computer model shows that without carbon dioxide the terrestrial greenhouse would collapse and plunge Earth into an icebound state, according to a paper by NASA scientists published in US journal Science on 15 October. Within 50 years the global average temperature would plunge by 35C to -21C without the thermostatic warming provided by atmospheric carbon dioxide. Message 30070506

To: PKRBKR who wrote (863839)	6/9/2015 4:06:31 PM
From: combjelly	Read Replies (1) \| Respond to of 1579686

Partial knowledge can be a dangerous thing. Sure water vapor is more common than CO2 in the atmosphere. But the amount of water vapor in the atmosphere is directly linked to temperature. Increase the amount of CO2 and that causes the atmosphere to warm. Which increases the amount of water vapor. Decrease the amount of CO2 and the atmosphere cools, causing water vapor to precipitate out. So atmospheric H2O is an amplifier rather than a cause. Try to get all of the facts next time instead of regurgitating dimly understood propaganda from some wingnut site.

To: PKRBKR who wrote (863839)	6/9/2015 5:11:52 PM
From: Taro	1 Recommendation Recommended By Bill Respond to of 1579686

The heat comes from the sun. CO2 just traps some in the atmosphere, instead of letting it radiate back into space. Very good. Now, since water vapor has the same heat capacity and more than 50X the atmospheric concentration than that of CO2, which is the true global warming gas? Not to mention CH4 (methane) having a factor 100x heat trapping capacity as compared to CO2 and is produced in increasing abundance by live cattle stock passing gas and more...not to mention all that 'more' produced by our dear Liberals these days... /Taro