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dENNIS bray

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mashey 2012

p141

Z.2005.06-14 James M. Taylor

Survey Shows Climatologists Are Split on Global Warming

Alarmist “consensus” does not exist

A survey of climatologists from more than 20 nations has revealed scientists

are evenly split on whether humans are responsible for changes in global

climate. Meme-03

The findings refute699 a widely reported study by a California “Gender and

Science” professor700 who claimed that, based on her personal examination of

928 scientific papers on the issue, every single one reached the conclusion that

global warming is real and primarily caused by humans.

Professor Claims Scientific Unanimity701

In December 2004, Dr. Naomi Oreskes of the University of California at San

Diego received widespread media attention for claiming her review of scientific

literature showed scientists were in unanimous agreement that global warming is

occurring and is being caused primarily by humans.

In an article titled “Undeniable Global Warming,” Oreskes wrote in the

December 26 Washington Post, “There is a scientific consensus on the fact that

Earth’s climate is heating up and human activities are part of the reason. We

need to stop repeating nonsense about the uncertainty of global warming and

start talking seriously about the right approach to address it.”

Climatologists Dispute Oreskes

The May 1 London Telegraph, however, noted Oreskes’ “unequivocal

conclusions immediately raised suspicions among other academics, who knew of

many papers that dissented from the pro-global warming line.” The newspaper

reported that Dr. Benny Peiser, a senior lecturer in the science faculty at

Liverpool John Moores University, “decided to conduct his own analysis of the

same set of 1,000 documents [cited by Oreskes]—and concluded that only one

third backed the consensus view, while only 1 percent did so explicitly.”702


notes

699 No, neither Peiser nor Bray did that.

700 Taylor denigrated an award-winning scholar and then relied on Peiser. Oreskes

was an exploration geologist before her Stanford PhD in geosciences and science

history and is Professor of History and Science Studies at UCSD.

history.ucsd.edu/people/faculty/oreskes-naomi.html

Calling her a Professor of “Gender and Science” is an obvious, purposeful attempt

to attack her credibility with the E&CN audience.” When she has spoken at

Stanford, members of the National Academy of Sciences take time to hear her.

701 Consensus is not unanimity and she did not claim the latter. She knows better.

Taylor tries to conflate the study with views of scientists, who have a strong

consensus, but no unanimity.

702 Peiser was a social (sports) anthropologist at a low-ranked UK school.

en.wikipedia.org/wiki/Benny_Peiser


The London Times then reported on Professor Dennis Bray, of Germany’s

GKSS National Research Centre.Bray surveyed hundreds of international

climate scientists, asking the question, “To what extent do you agree or disagree

that climate change is mostly the result of anthropogenic causes?” Bray received

530 responses from climatologists in 27 different countries.

With a value of 1 indicating “strongly agree” and a value of 7 indicating

“strongly disagree,” Bray reported the average of the 530 responses was 3.62,

almost right down the middle. More climatologists “strongly disagreed” than

“strongly agreed” that climate change is mostly attributable to humans.

“The results, i.e. the mean of 3.62, seem to suggest that consensus is not all that

strong,” Bray reported in his findings. “Results of surveys of climate scientists

themselves indicate the possibility that Oreskes’ conclusion is not as obvious as

stated.”703

Journals Swayed by Politics

Lorne Gunter, a columnist for the Canadian journal National Post, was more

blunt in his assessment of the survey.704

“It’s a long way from a consensus backing the most extreme global warming

scenarios, as environmentalists and UN officials would have us believe,”

observed Gunter.

“Interestingly but hardly surprisingly, Dr. Bray has had trouble getting his

findings published. Science magazine turned down even a letter-to-the-editor

from him,” Gunter added. “That’s doubly galling because back in December...


notes

His study got whittled down to nothing, as he was finally forced to admit.

“Peiser says he withdrew his criticism in March this year.”(2006) --Media Watch.

“Peiser obviously doesn’t know the difference between consensus and uncertainty,

between different kinds of uncertainty, or between research on climate and

research on climate policy.” - Sylvia Tognetti.

notes:

www.desmogblog.com/skeptics-journal-publishes-plagiarized-paper pp.7-8.

703 Even professional poll designers make errors, and Bray and von Storch were

not professionals. See comm.stanford.edu/faculty/krosnick for studies.

The 2003 Bray/von Storch survey was not well designed: the question was

ambiguous and the online poll arrangement allowed for gaming.

www.realclimate.org/index.php/archives/2004/12/a-statistical-analysis-of-theconsensus

I think they did a better job in August 2008:

en.wikipedia.org/wiki/Scientific_opinion_on_climate_change

‘To the question "How convinced are you that most of recent or near future

climate change is, or will be, a result of anthropogenic causes?" the responses were

34.6% very much agree, 48.9% agreeing to a large extent, 15.1% to a small extent,

and 1.35% not agreeing at all.”’

704 Why does Lorne Gunter’s opinion matter? He is no scientist, but he has a long

history of opinions, www.desmogblog.com/search/node/lorne%20gunter .


...Science didn’t hesitate for a second to print a discreditable paper by Dr. Naomi

Oreskes of UC San Diego in which she claimed that in her analysis of 928

abstracts from peer-reviewed climate research papers, ‘Remarkably, none of the

papers disagreed with the consensus position.’” Concluded Gunter, “Actually,

were Dr. Oreskes’ assertion of unanimity true, it might only prove how totally

co-opted the peer journals have become by enviro group-think and how willing

they are to censor dissenting views in an effort to preserve and polish the notion

of worldwide scientific consensus.”

This was a direct and false attack on Oreskes. IRS-3E