Group of retirees from NASA: “Our conclusion is humans are not (causing) a significant warming of this planet.”

Retired NASA Scientists Enter Climate Change Fray | StateImpact Texas

A group of retirees from NASA who once put a man on the moon and call their group The Right Climate Stuff “shouldn’t be taken seriously” according to an article in The Guardian, a British newspaper.
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“It is a volunteer group. I think we’re very objective. We don’t belong to any special interest group.” Dorion added, “Our conclusion is humans are not (causing) a significant warming of this planet.”
...Back home in Pearland, not far from Johnson Space Center where he once
worked, Doiron told StateImpact why he and 20 or of his other colleagues
decided to get involved in the highly political, highly contentious
climate change issue.
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“Well, the thing that really pushed me over the edge was the public statements of NASA’s chief climate scientist Dr. James Hansen,” Doiron said. Hansen has been outspoken on climate change, most recently voicing opposition to the Keystone XL pipeline because he said its heavy crude oil could increase greenhouse gases.

Doiron said he looked at the climate models that such fears are based on and felt they couldn’t be believed. After all, he said at NASA he’d used computer models to develop the landing gear for the lunar module and knows a thing or two about them.
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“So we validated the model before we used it for any design decisions. And the current climate models are not validated,” Doiron said. “I don’t think we’re using anything close to a rational process to deal with this concern about global warming. The politicans, at least those in leadership, are acting like it’s a proven thing, that (carbon dioxide) is causing global warming, but it’s not been scientifically proved.”