Mr Dunleavy and his fellow travellers went to court two years ago, alleging that, in effect, the Government's climate institute had acted fraudulently in preparing documentation to show that New Zealand's temperature had warmed by about 1C in the past 100 years.
Justice Venning said the court should be cautious about interfering with the conclusions made by specialist bodies within its own sphere of influence and that unless the NZCSC "can point to some defect in Niwa's decision-making process or show that the decision was clearly wrong in principle and in law this court will not intervene". It was not for the court "to determine or resolve scientific questions".
His conclusion was that Niwa's procedure "was in accordance with internationally recognised and credible scientific methodology" and was "peer reviewed".
Of course peer review is something the flat-earthers will never risk for their own claims. For years the deniers have been challenged to publish their arguments in a reputable scientific journal and allow it to be subjected to the examination of recognised experts in the field. Of course, to the deniers, the world's climate experts are all part of some global United Nations-backed conspiracy promoting "the lie" of man-made global warming. Just why they conspire is still to be explained.
For Mr Dunleavy, and NZCSC co-founder Professor Bob Carter, this defeat won't help their reputations in their parallel roles at the top of the International Climate Science Coalition.
The retired journalist is labelled "strategic director and founding chairman" of this world body and Professor Carter, who failed to convince Justice Venning in the Niwa case, is chief science adviser.
A taste of Mr Dunleavy's impartiality is on show in a YouTube clip of him addressing the second International Conference on Climate Change, run by the Heartland Institute in New York, March 2009. They were there, he declares, "to save the planet ... from being swamped by a tsunami of false propaganda about a catastrophe caused by we humans emitting a little too much of a colourless, odourless gas, carbon dioxide". The lies were being preached by "zealots" working under the auspices of the "United Nations".
The only light relief I could find regarding the Heartland Institute is that its headquarters are on South Wacker Drive, Chicago. But if our wackos were hoping to touch up their Wacker Drive mates for a loan to pay their court costs, they might be in for a surprise.
A misjudged billboard campaign by the ultra-conservative Heartland Institute this year resulted in a mass exodus of corporate donors. In May, Heartland erected billboards across Chicago with huge mugshots of notorious criminals, the Unabomber and cult leader and murderer Charles Manson, with the text "I still believe in global warming. Do you?"
The signs were removed within 24 hours but not before the departure of many supporters and several larger donors. Which suggests that Mr Dunleavy's best bet might be hoping he can persuade rich supporters like expat millionaire Alan Gibbs, listed No 2 on the ICSC advisory board, to come to the party.
Debate on this article is now closed.