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How Some Key IPCC Researchers View Their Science:

For starters, let’s begin with two different views by some of the same researchers that are reported in the same year regarding whether there is a discernible human influence on global climate.
 
 First, taken from a 1996 IPCC report summary written by B.D. Santer, T.M.L Wigley, T.P. Barnett, and E. Anyamba: “…there is evidence of an emerging pattern of climate response to forcings by greenhouse gases and sulphate aerosols…from geographical, seasonal and vertical patterns of temperature change…These results point towards human influence on climate.”

Then, a 1996 publication “The Holocene”, by T.P. Barnett, B.D. Santer, P.D. Jones, R.S. Bradley and K.R. Briffa, says this: “Estimates of…natural variability are critical to the problem of detecting an anthropogenic [human] signal…We have estimated the spectrum…from paleo-temperature proxies and compared it with…general [climate] circulation models…none of the three estimates of the natural variability spectrum agree with each other…Until…resolved, it will be hard to say, with confidence, that an anthropogenic climate signal has or has not been detected.”

In other words, these guys, several of whom you will hear from later, can’t say with confidence whether or not humans have had any influence at all…or even if so, whether it has caused warming or cooling!

IPCC official Ottmar Edenhofer, speaking in November 2010, advised that: “…one has to free oneself from the illusion that international climate policy is environmental policy. Instead, climate change policy is about how we redistribute de facto the world’s wealth…”

The late Stephen Schneider, who authored The Genesis Strategy, a 1976 book warning that global cooling risks posed a threat to humanity, later changed that view 180 degrees, serving as a lead author for important parts of three sequential IPCC reports. In a quotation published in Discover, he said: “On the one hand, as scientists we are ethically bound to the scientific method, on the other hand, we are not just scientists, but human beings as well. And like most people, we’d like to see the world a better place, which in this context translates into our working to reduce the risk of potentially disastrous climatic change. To do that, we need to get some broad-based support, to capture the public’s imagination. That, of course, entails getting loads of media coverage. So we have to offer up scary scenarios, make simplified, dramatic statements, and make little mention of the doubts we might have. Each of us has to decide what the right balance is between being effective and being honest.”

Kevin Trenberth, a lead author of 2001 and 2007 IPCC report chapters, writing in a 2007 “Predictions of Climate” blog appearing in the science journal Nature.com, admitted: “None of the models used by the IPCC are initialized to the observed state and none of the climate states in the models correspond even remotely to the current observed state”.

Christopher Landsea, a top expert on the subject of cyclones, became astounded and perplexed when he was informed that Trenberth had participated in a 2004 press conference following a deadly 2004 Florida storm season which had announced “Experts warn that global warming [is] likely to continue spurring more outbreaks of intense activity.” Since IPCC studies released in 1995 and 2001 had found no evidence of a global warming-hurricane link, and there was no new analysis to suggest otherwise, he wrote to leading IPCC officials imploring: “What scientific, refereed publications substantiate these pronouncements? What studies alluded to have shown a connection between observed warming trends on Earth and long-term trends of cyclone activity?”

Receiving no replies, he then requested assurance that the 2007 report would present true science, saying: “[Dr. Trenberth] seems to have come to a conclusion that global warming has altered hurricane activity, and has already stated so. This does not reflect consensus within the hurricane research community.” After that assurance didn’t come, Landsea, an invited author, resigned from the 2007 report activity and issued an open letter presenting his reasons.

from

In Their Own Words: Climate Alarmists Debunk Their ‘Science’

2/05/2013 Larry Bell… Forbes

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