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Politics : Formerly About Advanced Micro Devices

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To: PKRBKR who wrote (863839)6/9/2015 3:43:39 PM
From: Wharf Rat  Read Replies (2) of 1579675
 
"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.

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