NASA's Lacis: "There is no viable alternative to counteract global warming except through direct human effort to reduce the atmospheric CO2 level."
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….
CO2 is the key atmospheric gas that exerts principal control (80% of the non-condensing GHG forcing) over the strength of the terrestrial greenhouse effect. Water vapor and clouds are fast-acting feedback effects, and as such, they are controlled by the radiative forcing supplied by the non-condensing GHGs….
There is no viable alternative to counteract global warming except through direct human effort to reduce the atmospheric CO2 level.
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