Wednesday 17 February 2010

Global Warming Downdraft

Time for Last Rites

The main stream media is now carrying articles critical of global warming larceny and malpractice. It is not universal, but there are now far more critical analyses and even-handed articles than there were several months ago.

Much is being made of the admissions of Phil Jones, of Climategate infamy, the academic who ran the Climatic Research Unit at Hadley for the University of East Anglia, and a core member of the global warming academic cabal. Here is one synopsis of an interview with Professor Jones conducted by the BBC and which has been noticed all around the world.
Asked by the BBC what it means when scientists say "the debate on climate change is over," the keeper of the flame sounded chastened. "I don't believe the vast majority of climate scientists think this," Jones said. "This is not my view. There is still much that needs to be undertaken to reduce uncertainties, not just for the future, but for the . . . past as well."

Jones discussed the highly contentious "medieval warming period." If global temperatures were warmer than today back in 800-1300 AD -- about 1,000 years before Henry Ford's assembly lines began spitting out cars -- it suggests that natural factors have a large hand in climate change, a concession that climate alarmists are loath to make.

Jones said we don't know if the warming in this period was global in extent since paleoclimatic records are sketchy. If it was, and if temperatures were higher than now, "then obviously the late 20th century warmth would not be unprecedented."

Jones also noted that there's been no statistically significant warming since 1995, although the cooling since 2002 hasn't been statistically significant, either.

All of this is like a cardinal of the Catholic Church saying the evidence for apostolic succession is still open to debate.
OK, so we guess those "the science is settled" mantras have become a bit more muted now. And no evidence of warming since 1995--despite all that carbon dioxide being emitted in ever greater amounts over the past 15 years.

The credibility of the IPCC is now in tatters. Only the wilfully stubborn, the ignorant, or those with vested interests want to maintain its credibility. As a editorial in the the Wall Street Journal argued:
It has been a bad—make that dreadful—few weeks for what used to be called the "settled science" of global warming, and especially for the U.N. Intergovernmental Panel on Climate Change that is supposed to be its gold standard.

First it turns out that the Himalayan glaciers are not going to melt anytime soon, notwithstanding dire U.N. predictions. Next came news that an IPCC claim that global warming could destroy 40% of the Amazon was based on a report by an environmental pressure group. Other IPCC sources of scholarly note have included a mountaineering magazine and a student paper.

Since the climategate email story broke in November, the standard defense is that while the scandal may have revealed some all-too-human behavior by a handful of leading climatologists, it made no difference to the underlying science. We think the science is still disputable. But there's no doubt that climategate has spurred at least some reporters to scrutinize the IPCC's headline-grabbing claims in a way they had rarely done previously.

Take the rain forest claim. In its 2007 report, the IPCC wrote that "up to 40% of the Amazonian forests could react drastically to even a slight reduction in precipitation; this means that the tropical vegetation, hydrology and climate system in South America could change very rapidly to another steady state."

But as Jonathan Leake of London's Sunday Times reported last month, those claims were based on a report from the World Wildlife Fund, which in turn had fundamentally misrepresented a study in the journal Nature. The Nature study, Mr. Leake writes, "did not assess rainfall but in fact looked at the impact on the forest of human activity such as logging and burning."

The IPCC has relied on World Wildlife Fund studies regarding the "transformation of natural coastal areas," the "destruction of more mangroves," "glacial lake outbursts causing mudflows and avalanches," changes in the ecosystem of the "Mesoamerican reef," and so on. The Wildlife Fund is a green lobby that believes in global warming, and its "research" reflects its advocacy, not the scientific method.

The IPCC has also cited a study by British climatologist Nigel Arnell claiming that global warming could deplete water resources for as many as 4.5 billion people by the year 2085. But as our Anne Jolis reported in our European edition, the IPCC neglected to include Mr. Arnell's corollary finding, which is that global warming could also increase water resources for as many as six billion people.

The IPCC report made aggressive claims that "extreme weather-related events" had led to "rapidly rising costs." Never mind that the link between global warming and storms like Hurricane Katrina remains tenuous at best. More astonishing (or, maybe, not so astonishing) is that the IPCC again based its assertion on a single study that was not peer-reviewed. In fact, nobody can reliably establish a quantifiable connection between global warming and increased disaster-related costs. In Holland, there's even a minor uproar over the report's claim that 55% of the country is below sea level. It's 26%.
It seems that every day throws up another scandal, now that a new critical eye is being cast over the IPCC's formulations and prognostications. The latest is the misrepresentations over alleged African crop failures as a consequence of global warming. And in this case, once again, the malodorous fingers of the Chairman of the IPCC, Dr Pachauri are all over it.
Ever more question marks have been raised in recent weeks over the reputations of the UN's Intergovernmental Panel on Climate Change (IPCC) and of its chairman, Dr Rajendra Pachauri. But the latest example to emerge is arguably the most bizarre and scandalous of all. It centres on a very specific scare story which was included in the IPCC's 2007 report, although it was completely at odds with the scientific evidence – including that produced by the British expert in charge of the relevant section of the report. Even more tellingly, however, this particular claim has repeatedly been championed by Dr Pachauri himself.

Only last week Dr Pachauri was specifically denying that the appearance of this claim in two IPCC reports, including one of which he was the editor, was an error. Yet it has now come to light that the IPCC, ignoring the evidence of its own experts, deliberately published the claim for propaganda purposes.

One of the most widely quoted and most alarmist passages in the main 2007 report was a warning that, by 2020, global warming could reduce crop yields in some countries in Africa by 50 per cent. Dr Pachauri not only allowed this claim to be included in the short Synthesis Report, of which he was co-editor, but has publicly repeated it many times since.

The origin of this claim was a report written for a Canadian advocacy group by Ali Agoumi, a Moroccan academic who draws part of his current income from advising on how to make applications for "carbon credits". As his primary sources he cited reports for three North African governments. But none of these remotely supported what he wrote. The nearest any got to providing evidence for his claim was one for the Moroccan government, which said that in serious drought years, cereal yields might be reduced by 50 per cent. The report for the Algerian government, on the other hand, predicted that, on current projections, "agricultural production will more than double by 2020". Yet it was Agoumi's claim that climate change could cut yields by 50 per cent that was headlined in the IPCC's Working Group II report in 2007. . . .

However, the story then got worse when Dr Pachauri himself came to edit and co-author the IPCC's Synthesis Report (for which the IPCC paid his Delhi-based Teri institute, out of the £400,000 allocated for its production). Not only did Pachauri's version again give prominence to Agoumi's 50 per cent figure, but he himself has repeated the claim on numerous occasions since, in articles, interviews and speeches –such as the one he gave to a climate summit in Potsdam last September, where he boasted he was speaking "in the voice of the world's scientific community".

Only last week, in an interview available on YouTube, Dr Pachauri was asked about errors in the IPCC's 2007 report and his own Synthesis Report, with specific reference to the loss of North African crops. His reply was that – aside from the prediction that the IPCC has now had to disown, that Himalayan glaciers could vanish by 2035 – the reports contained "no errors". Passages such as those on African crops were "not errors and we are absolutely certain that what we have said over that can be substantiated".

In the wake of all the other recent scandals, "Africa-gate" may be the most damaging of all, because of the involvement of Dr Pachauri himself. Not only is the reputation of the IPCC in tatters, but that of its chairman appears irreperably damaged. Yet the world's politicians cannot afford to see him resign because, if he goes, the whole sham edifice they have sworn by would come tumbling down.
As Rich Lowry reports at least one climate scientist formerly active in the IPCC sees a very disturbing pattern emerging:
These aren't random errors. As former head of the IPCC, the British scientist Robert Watson notes, "The mistakes all appear to have gone in the direction of making it seem like climate change is more serious by overstating the impact."
Former global warming trumpeter scientists are being forced to take a far more muted line, where their positions are much more nuanced and qualified.
In The Boston Globe, MIT climate scientist Kerry Emanuel marshals a new argument for fighting warming: "We do not have the luxury of waiting for scientific certainty, which will never come."
Ok, try this argument for size: "We will never have scientific certainty that man-caused global warming is a fact. But we ask you to support higher taxes, economic damage, and a lower standard of living because it might be true."

If this is the most forceful argument that can now be mounted, politically, a tombstone will have more life than global warming. It will now die the death of a thousand qualifications, which should have been the case all along.

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