Former Astronauts Protest NASA's Global Warming Activism

By:  James Heiser
04/16/2012
       
Former Astronauts Protest NASA's Global Warming Activism

The theory of a human cause for global warming received another serious setback as dozens of former NASA scientists and astronauts called upon the American space agency to rely on actual evidence — rather than computer models — in the study of the controversial theory.

 
 

The theory of a human cause for global warming received another serious setback as dozens of former NASA scientists and astronauts called upon the American space agency to rely on actual evidence — rather than computer models — in the study of the controversial theory.

 
For years, NASA’s over reliance on dubious computer models has been a source of criticism; as reported last July for The New American, a published, peer-reviewed study had found that the observable data were not in agreement with the projections provided by the models, in part because the models were not accurately accounting for the Earth’s ability to radiate heat:
 
The sensitivity of the climate system to an imposed radiative imbalance remains the largest source of uncertainty in projections of future anthropogenic climate change.... While the satellite-based metrics for the period 2000–2010 depart substantially in the direction of lower climate sensitivity from those similarly computed from coupled climate models, we find that, with traditional methods, it is not possible to accurately quantify this discrepancy in terms of the feedbacks which determine climate sensitivity. It is concluded that atmospheric feedback diagnosis of the climate system remains an unsolved problem, due primarily to the inability to distinguish between radiative forcing and radiative feedback in satellite radiative budget observations.
 
With proponents of the theory that human activity is the cause of global warming becoming increasingly defensive of their flawed theory, the joint letter signed by NASA veterans — including several heroes of the space program — is one more blow to a theory which has been losing ground in the realm of public opinion. And the letter is particularly critical of the Goddard Institute for Space Studies, where both director Jim Hansen and climatologist Gavin Schmidt have been particularly vocal proponents of the theory of manmade climate change. As reported at BusinessInsider.com, the letter, signed by 49 former NASA scientists and astronauts, reads as follows:
 
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