See the quotes of the scientists who’s papers were characterized wrongly at, WATTS UP WITH THAT
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It is becoming clear that not only do many scientists dispute the asserted global warming crisis, but these skeptical scientists may indeed form a scientific consensus.
Don’t look now, but maybe a scientific consensus exists concerning global warming after all. Only 36 percent of geoscientists and engineers believe that humans are creating a global warming crisis, according to a survey reported in the peer-reviewed Organization Studies. By contrast, a strong majority of the 1,077 respondents believe that nature is the primary cause of recent global warming and/or that future global warming will not be a very serious problem.
The survey results show geoscientists (also known as earth scientists) and engineers hold similar views as meteorologists. Two recent surveys of meteorologists (summarized here and here) revealed similar skepticism of alarmist global warming claims.
According to the newly published survey of geoscientists and engineers, merely 36 percent of respondents fit the “Comply with Kyoto” model. The scientists in this group “express the strong belief that climate change is happening, that it is not a normal cycle of nature, and humans are the main or central cause.”…
1. When compared with pre-1800s levels, do you think mean global temperatures have generally risen, fallen, or remained relatively constant?
2. Do you think human activity is a significant contributing factor in changing mean global temperatures?
3146 completed the survey (response rate 30.7%). Those who were active publishers in climatologists (n=79) reported the now famous 97%. But 90% of the total active publishers in the field, along with 88% of the general climatologists = consensus.
I merely pointed out the major flaw in the study via WUWT, noting the full questions from the study… and actions taken for question #2 dependent on how #1 is answered:
Q1. When compared with pre-1800’s levels, do you think that mean global temperatures have generally risen, fallen, or remained relatively constant?
1. Risen 2. Fallen 3. Remained relatively constant 4. No opinion/Don’t know
Q2. Do you think human activity is a significant contributing factor in changing mean global temperatures? [This question wasn’t asked if they answered “remained relatively constant” to Q1]
1. Yes 2. No 3. I’m not sure
Now we see why only 77 of those specialist dealing with climate responded. WUWT continues…
That’s obviously why only 77 answers were reported to the second question. Two of their 79 top climate specialists had answered “remained relatively constant” to the first question, and those two were not asked the second question, and were not included in the calculation of the supposed 97.4% agreement.
[In other words… when Doran and Zimmerman state:]
[of] “the most specialized and knowledgeable respondents (with regard to climate change)… 97.4% (75 of 77) answered yes to question .”
I merely mention then that is a false statement. For more on this and other studies, see, THE FRIEND’S OF SCIENCE PDF. Keep in mind NASA still uses this study that would be laughed out of a 101 level statistical class as part of their 97% defense.
In a discussion with a person online about “consensus,” he list some retorts proving his point. I do not have time to refute everything he posts. So I will only deal with his first link:
This example of a good study is the biggest joke ever. A total of 77 climatologists replied. Seventy-five agreed. Here is the graphic representing this survey:
So where did that famous “consensus” claim that “98% of all scientists believe in global warming” come from? It originated from an endlessly reported 2009 American Geophysical Union (AGU) survey consisting of an intentionally brief two-minute, two question online survey sent to 10,257 earth scientists by two researchers at the University of Illinois. Of the about 3.000 who responded, 82% answered “yes” to the second question, which like the first, most people I know would also have agreed with.
Then of those, only a small subset, just 77 who had been successful in getting more than half of their papers recently accepted by peer-reviewed climate science journals, were considered in their survey statistic. That “98% all scientists” referred to a laughably puny number of 75 of those 77 who answered “yes”. That anything-but-scientific survey asked two questions. The first: “When compared with pre-1800s levels, do you think that mean global temperatures have generally risen, fallen, or remained relatively constant?” Few would be expected to dispute this…the planet began thawing out of the “Little Ice Age” in the middle 19th century, predating the Industrial Revolution. (That was the coldest period since the last real Ice Age ended roughly 10,000 years ago.)
The second question asked: “Do you think human activity is a significant contributing factor in changing mean global temperatures?” So what constitutes “significant”? Does “changing” include both cooling and warming… and for both “better” and “worse”? And which contributions…does this include land use changes, such as agriculture and deforestation?
By the way, from that FORBES article I really liked this part:
Consider the National Academy of Sciences for example. In 2007, Congress appropriated $5,856,000 for NAS to complete a climate change study. The organization subsequently sold its conclusions in three separate report sections at $44 per download.
What scientific understanding breakthrough did that big taxpayer-financed budget buy? Namely that the Earth’s temperature has risen over the past 100 years, and that human activities have resulted in a steady atmospheric CO2 increase. This is hardly new information, and few scientists are likely to challenge either of these assertions, which essentially prove no link between the two observations. All professional scientists recognize that correlation does not establish causation.
Two things. LOT’S of money is involved in “proving” global warming. Which is unlike the skeptics monetary situation. Also, take note that the jump in logic is connecting Man’s CO2 to rising temperatures. By doing so, politicians get the power to get more power (legislate over peoples actions as well as businesses), and it allows these same politicians to tax people to fund their coffers, and then to pay for more studies. And round-and-round we go. Dr. Richard Lindzen observes that these people are really saying that “…regardless of evidence the answer is predetermined. If government wants carbon control, that is the answer that the Academies will provide.”
Here is a great quick refutation of multiple studies (with the link to a more in-depth PDF). Enjoy:
Friends of Science announce the release of a new report entitled “97% Consensus? No! Global Warming Math Myths and Social Proofs.” Contrary to claims of these most-cited 97% consensus surveys, there is only 1-3% explicitly stated agreement with the IPCC declarations on global warming, and no agreement with a catastrophic view.
“These ‘consensus’ surveys appear to be used as a ‘social proof,’” says Ken Gregory, research director of Friends of Science. “Just because a science paper includes the words ‘global climate change’ this does not define the cause, impact or possible mitigation. The 97% claim is contrived in all cases.”
The Oreskes (2004) study claimed 75% consensus and a “remarkable lack of disagreement” by the other 25% of the abstracts she reviewed. Peiser (2005) re-ran her survey and found major discrepancies. Only 1.2% or 13 scientists out of 1,117 agreed with the Intergovernmental Panel on Climate Change (IPCC) view that human activity is the main cause of global warming since 1950.
Peiser found that 34 scientists rejected or doubted the alleged ‘consensus’ position outright and 44 claimed natural factors as more influential. At least 470 papers expressed no position on Anthropogenic (human-caused) Global Warming (AGW) whatsoever.
Doran & Zimmerman (2009) only assessed 79 scientists out of 3,146 respondents. Many scientists sent them emails protesting the survey design.
The recent Cook et al (2013) began with the broadest possible ‘consensus’ definition – rendering the idea of ‘consensus’ meaningless. Only 0.54% (or 64 scientists) explicitly agreed. Though Cook’s graphics on The Consensus Project website focus on fossil fuels, his study used the 1996 Houghton declaration which includes other human factors like agriculture and land-use change.
Some 7983 scientists or 67% of the ~12,000 papers in the Cook study had no position on climate change. Many scientists publicly denounced Cook for wrongly assessing their work as supporting AGW when it does not.
“The claim of a 97% consensus is mathematical manipulation,” says Gregory. “Unfortunately even the President is swayed by this kind of social proof.”