John S. Theon, formerly chief of all weather and climate research for NASA, and James Hansen’s former boss, has just released a statement of his personal skepticism concerning the predictions of climate alarmist James Hansen and of climate models.

Hansen was never muzzled even though he violated NASA’s official agency position on climate forecasting (i.e., we did not know enough to forecast climate change or mankind’s effect on it).

[C]limate models are useless.

My own belief concerning anthropogenic climate change is that the models do not realistically simulate the climate system because there are many very important sub-grid scale processes that the models either replicate poorly or completely omit. Furthermore, some scientists have manipulated the observed data to justify their model results. In doing so, they neither explain what they have modified in the observations, nor explain how they did it. They have resisted making their work transparent so that it can be replicated independently by other scientists. This is clearly contrary to how science should be done. Thus there is no rational justification for using climate model forecasts to determine public policy.

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But Dr. Theon and Senator Inhofe had better watch out. If James Hansen has his way, they as Global Warming deniers, along with the chief executives of energy companies, would be put on trial “for high crimes against humanity and nature.”

Hansen is a pioneer of a fascinating new political debating technique. You declare that your position is true and that if it fails to be accepted the consequences will be terrible, and therefore anyone opposing you is prosecutable for injuring the public interest by spreading lies.

I can picture certain Constitutional obstacles to such prosecutions myself, but some of the blogosphere’s leftwing nutroots, example: Kirk Murphy at FireDogLake, are calling Hansen’s proposal “a nice start.”

If prosecuting people who object to your theory is a nice start, presumably burning them at them at the stake for heresy or sending them to the death camps in Siberia is the logical finish.

Or maybe you won’t have to. A jury in Britain last Wednesday, encouraged by extreme partisan testimony from chief fraudster James Hansen himself, exonerated Greenpeace vigilantes who vandalized a coal-fired powerplant.

The threat of global warming is so great that campaigners were justified in causing more than £35,000 worth of damage to a coal-fired power station, a jury decided yesterday. In a verdict that will have shocked ministers and energy companies the jury at Maidstone Crown Court cleared six Greenpeace activists of criminal damage.

Jurors accepted defence arguments that the six had a “lawful excuse” to damage property at Kingsnorth power station in Kent to prevent even greater damage caused by climate change. The defence of “lawful excuse” under the Criminal Damage Act 1971 allows damage to be caused to property to prevent even greater damage – such as breaking down the door of a burning house to tackle a fire.

The not-guilty verdict, delivered after two days and greeted with cheers in the courtroom, raises the stakes for the most pressing issue on Britain’s green agenda and could encourage further direct action.

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How could any jury reach such a preposterous conclusion? Testimony from witch doctors on top of a prolonged steady diet of false information from the mainstream media, as in this typical example from the Telegraph.

Recent events have seen the scare campaign over global warming descend to the level of a Monty Python sketch.

Much publicity was given, for instance, to Lewis Gordon Pugh, who set out to paddle a kayak to the Pole to demonstrate the vanishing of the Arctic ice. At 80.5 degrees north, still 600 miles short of his goal, he met with ice so thick that he and his fossil-fuelled support ship had to turn back.

But this did not prevent him receiving a congratulatory call from Gordon Brown, nor boasting that he had travelled “further north than anyone has kayaked so far”.

It took the admirable Watts Up With That blog, run by the American meteorologist Anthony Watts, to point out that in 1893 the Norwegian explorer Fridtjof Nansen found the Arctic so ice-free that he was able to kayak above 82 degrees north, 100 miles nearer the Pole than our hapless campaigner against “unprecedented global warming”.

Investor’s business Daily finds a 1971 Washington Post story indicating the NASA’s James Hansen, who originated the Global Warming theory in his Senate testimony in 1988, was earlier (during an interval of colder winters) predicting Anthropogenic Global Cooling.

On July 9, 1971, the Post published a story headlined “U.S. Scientist Sees New Ice Age Coming.” It told of a prediction by NASA and Columbia University scientist S.I. Rasool. The culprit: man’s use of fossil fuels.

The Post reported that Rasool, writing in Science, argued that in “the next 50 years” fine dust that humans discharge into the atmosphere by burning fossil fuel will screen out so much of the sun’s rays that the Earth’s average temperature could fall by six degrees.

Sustained emissions over five to 10 years, Rasool claimed, “could be sufficient to trigger an ice age.”

Aiding Rasool’s research, the Post reported, was a “computer program developed by Dr. James Hansen,” who was, according to his resume, a Columbia University research associate at the time.

So what about those greenhouse gases that man pumps into the skies? Weren’t they worried about them causing a greenhouse effect that would heat the planet, as Hansen, Al Gore and a host of others so fervently believe today?

“They found no need to worry about the carbon dioxide fuel-burning puts in the atmosphere,” the Post said in the story, which was spotted last week by Washington resident John Lockwood, who was doing research at the Library of Congress and alerted the Washington Times to his finding.

Hansen has some explaining to do. The public deserves to know how he was converted from an apparent believer in a coming ice age who had no worries about greenhouse gas emissions to a global warming fear monger.