In a letter to NASA Administrator Charles Bolden, they said he and the agency should "refrain from including unproven remarks" supporting global warming in the media.
In their letter, the group said that thousands of years of data challenge modern-day claims that man-made carbon dioxide is causing climate change.
"With hundreds of well-known climate scientists and tens of thousands of other scientists publicly declaring their disbelief in the catastrophic forecasts, coming particularly from (NASA's) Goddard Institute for Space Studies leadership, it is clear that the science is not settled," they wrote.
"We feel that NASA's advocacy of an extreme position, prior to a through study of the possible overwhelming impact of natural climate drivers is inappropriate," they wrote. At risk is damage to the exemplary reputation of NASA, NASA's current or former scientists and employees, and even the reputation of science itself."
The letter was signed by seven Apollo astronauts, a deputy associate administrator, several scientists, and even the deputy director of the space shuttle program.
Settled science, huh?
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