'Speculation, Sheer Ignorance'
The London Daily Mail
A leaked copy of the world's most authoritative climate study reveals scientific forecasts of imminent doom were drastically wrong.
The Mail on Sunday has obtained the final draft of a report to be published later this month by the UN Intergovernmental Panel on Climate Change (IPCC), the ultimate watchdog whose massive, six-yearly "assessments" are accepted by environmentalists, politicians and experts as the gospel of climate science.
They are cited worldwide to justify swinging fossil fuel taxes and subsidies for 'renewable' energy.
Yet the leaked report makes the extraordinary concession that the world has been warming at only just over half the rate claimed by the IPCC in its last assessment, published in 2007.
Back then, it said that the planet was warming at a rate of 0.2C every decade – a figure it claimed was in line with the forecasts made by computer climate models.
But the new report says the true figure since 1951 has been only 0.12C per decade – a rate far below even the lowest computer prediction.
The 31-page "summary for policymakers" is based on a more technical 2,000-page analysis which will be issued at the same time. It also surprisingly reveals: IPCC scientists accept their forecast computers may have exaggerated the effect of increased carbon emissions on world temperatures – and not taken enough notice of natural variability.
▪ They recognize the global warming "pause" first reported by The Mail on Sunday last year is real – and concede that their computer models did not predict it. But they cannot explain why world average temperatures have not shown any statistically significant increase since 1997.
▪ They admit large parts of the world were as warm as they are now for decades at a time between 950 and 1250 AD – centuries before the Industrial Revolution, and when the population and CO2 levels were both much lower.
▪ The IPCC admits that while computer models forecast a decline in Antarctic sea ice, it has actually grown to a new record high. Again, the IPCC cannot say why.
▪ A forecast in the 2007 report that hurricanes would become more intense has simply been dropped, without mention.
This year has been one of the quietest hurricane seasons in history and the US is currently enjoying its longest-ever period – almost eight years – without a single hurricane of Category 3 or above making landfall.
One of the report's own authors, Professor Myles Allen, the director of Oxford University's Climate Research Network, last night said this should be the last IPCC assessment – accusing its cumbersome production process of "misrepresenting how science works."
Despite the many scientific uncertainties disclosed by the leaked report, it nonetheless draws familiar, apocalyptic conclusions – insisting that the IPCC is more confident than ever that global warming is mainly humans' fault.
It says the world will continue to warm catastrophically unless there is drastic action to curb greenhouse gases – with big rises in sea level, floods, droughts and the disappearance of the Arctic icecap.
Last night Professor Judith Curry, head of climate science at Georgia Institute of Technology in Atlanta, said the leaked summary showed that "the science is clearly not settled, and is in a state of flux."
She said it therefore made no sense that the IPCC was claiming that its confidence in its forecasts and conclusions has increased.
For example, in the new report, the IPCC says it is "extremely likely" – 95 per cent certain – that human influence caused more than half the temperature rises from 1951 to 2010, up from "very confident" – 90 per cent certain – in 2007.
Prof Curry said: "This is incomprehensible to me" – adding that the IPCC projections are "overconfident," especially given the report's admitted areas of doubt.
Starting a week tomorrow, about 40 of the 250 authors who contributed to the report – and supposedly produced a definitive scientific consensus – will hold a four-day meeting in Stockholm, together with representatives of most of the 195 governments that fund the IPCC, established in 1998 by the World Meteorological Organization (WMO) and the United Nations Environment Program (UNEP).
The governments have tabled 1,800 questions and are demanding major revisions, starting with the failure to account for the pause.
Prof Curry said she hoped that the "inconsistencies will be pointed out" at the meeting, adding: "The consensus-seeking process used by the IPCC creates and amplifies biases in the science. It should be abandoned in favor of a more traditional review that presents arguments for and against – which would better support scientific progress, and be more useful for policy makers." Others agree that the unwieldy and expensive IPCC assessment process has now run its course.
Prof Allen said: "The idea of producing a document of near-biblical infallibility is a misrepresentation of how science works, and we need to look very carefully about what the IPCC does in future."
Climate change skeptics are more outspoken. Dr. Benny Peiser, of the Global Warming Policy Foundation, described the leaked report as a "staggering concoction of confusion, speculation and sheer ignorance."
As for the pause, he said "it would appear that the IPCC is running out of answers...to explain why there is a widening gap between predictions and reality."
READ FULL SOURCE ARTICLE: 09/14/2013
Editor's Note: Now, who wants to bet that the Obama Administration will continue to pursue climate change policies, policies that further serve to hobble the American economy?...
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