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APS Reconsiders 'man-made' Climate Change by Kajm APS Reconsiders 'man-made' Climate Change by Kajm
From Quadrant (Australia)…

ony Thomas

Finally, Some Real Climate Science

The American Physical Society has been amongst the loudest alarmist organisations whipping up hysteria about CO2, but a review of its position that has placed three sceptics on the six-member investigatory panel strongly suggests the tide has turned.

The 50,000-strong American body of physicists, the American Physical Society (APS), seems to be turning significantly sceptical on climate alarmism.

The same APS put out a formal statement in 2007 adding its voice to the alarmist hue and cry. That statement caused resignations of some of its top physicists (including 1973 Nobel Prize winner Ivar Giaever and Hal Lewis, Emeritus Professor of Physics, University of California, Santa Barbara).[1] The APS was forced by 2010 to add some humiliating clarifications but retained the original statement that the evidence for global warming was ‘incontrovertible’.[2]

By its statutes, the APS must review such policy statements each half-decade and that scheduled review is now under way, overseen by the APS President Malcolm Beasley.

The review, run by the society’s Panel on Public Affairs, includes four powerful shocks for the alarmist science establishment.[3]

First, a sub-committee has looked at the recent 5th Report of the Intergovernmental Panel on Climate Change  and formulated scores of critical questions about the weak links in the IPCC’s methods and findings. In effect, it’s a non-cosy audit of the IPCC’s claims on which the global campaign against CO2 is based.

Second, the  APS Panel’s review sub-committee, after ‘consulting broadly’, appointed a workshop to get science input into the questions. The appointed  workshop of six expert advisers, amazingly, includes three eminent sceptic scientists: Richard Lindzen, John Christy, and Judith Curry. The other three members comprise long-time IPCC stalwart Ben Santer (who, in 1996, drafted, in suspicious circumstances, the original IPCC mantra about a “discernible” influence of manmade CO2 on climate), an IPCC lead author and modeler William Collins, and atmospheric physicist Isaac Held.

Third, the sub-committee is ensuring the entire process is publicly transparent — not just the drafts and documents, but the workshop discussions, which have been taped, transcribed and officially published, in a giant record running to 500+ pages.[4]

Fourth, the APS will publish its draft statement to its membership, inviting comments and feedback.

What the outcome will be, ie what the revised APS statement will say, we will eventually discover.  It seems a good bet that the APS will break ranks with the world’s collection of peak science bodies, including the Australian Academy of Science, and tell the public, softly or boldly, that IPCC science is not all it’s cracked up to be.

The APS audit of the IPCC makes a contrast with the Australian Science Academy’s (AAS) equivalent efforts. In 2010 the AAS put out a booklet, mainly for schools, ”The Science of Climate Change, Questions and Answers”, drafted behind closed doors. The drafters and overseers totalled 16 people, and the original lone sceptic, Garth Paltridge, was forced out by the machinations of  then-President Kurt Lambeck.[5] The Academy is currently revising the booklet, without any skeptic input at all. Of the 16 drafters and overseers, at least nine have been IPCC contributors and others have been petition-signing climate-policy lobbyists, hardly appropriate to do any arm’s length audit of the IPCC version of the science. Once again, the process is without any public transparency or consulting with the broad membership.

The American Physical Society’s audit questions are pretty trenchant.[6] Just to recite some of them points in the can of worms soon to be authoritatively exposed.  Here’s a selection:

The temperature stasis

While the Global Mean Surface Temperature (GMST) rose strongly from 1980-98, it has shown no significant rise for the past 15 years…[The APS notes that neither the 4th nor 5th IPCC report modeling suggested any stasis would occur, and then asks] …

To what would you attribute the stasis?

If non-anthropogenic influences are strong enough to counteract the expected effects of increased CO2, why wouldn’t they be strong enough to sometimes enhance warming trends, and in so doing lead to an over-estimate of CO2 influence?

What are the implications of this stasis for confidence in the models and their projections?

What do you see as the likelihood of solar influences beyond TSI (total solar irradiance)? Is it coincidence that the stasis has occurred during the weakest solar cycle (ie sunspot activity) in about a century?

Some have suggested that the ‘missing heat’ is going into the deep ocean…

Are deep ocean observations sufficient in coverage and precision to bear on this hypothesis quantitatively?

Why would the heat sequestration have ‘turned on’ at the turn of this century?

What could make it ‘turn off’ and when might that occur?

Is there any mechanism that would allow the added heat in the deep ocean to reappear in the atmosphere?

IPCC suggests that the stasis can be attributed in part to ‘internal variability’. Yet climate models imply that a 15-year stasis is very rare and models cannot reproduce the observed Global Mean Surface Temperature even with the observed radiative forcing.

What is the definition of ‘internal variability’? Is it poorly defined initial conditions in the models or an intrinsically chaotic nature of the climate system? If the latter, what features of the climate system ARE predictable?

How would the models underestimate of internal variability impact detection and attribution?

How long must the stasis persist before there would be a firm declaration of a problem with the models? If that occurs, would the fix entail: A retuning of model parameters? A modification of ocean conditions? A re-examination of fundamental assumptions?

General Understanding


  • What do you consider to be the greatest advances in our understanding of the physical basis of climate change since AR4 in 2007?
  • What do you consider to be the most important gaps in current understanding?
  • How are the IPCC confidence levels determined?
  • What has caused the 5% increase in IPCC confidence from 2007 to 2013?

Climate Sensitivity

[This relates to the size of feedbacks to the agreed and mild CO2-induced warming. If feedbacks are powerful and positive, the alarmist case is strong. If feedbacks are weak or negative, there is no basis for any climate scare or for trillions of dollars to be spent on curbing CO2 emissions].

A factor-of-three uncertainty in the global surface temperature response to increasing atmospheric CO2 as expressed by equilibrium climate sensitivity, has persisted through the last three decades of research despite the significant intellectual effort that has been devoted to climate science.

What gives rise to the large uncertainties in this fundamental parameter of the climate system?

How is the IPCC’s expression of increasing confidence in the detection/attribution/projection of anthropogenic influences consistent with this persistent uncertainty?

Wouldn’t detection of an anthropogenic signal necessarily improve estimates of the response to anthropogenic perturbations?

Models and Projections

The APS notes that the IPCC draws on results and averages from large numbers of models, and comments, “In particular, it is not sufficient to demonstrate that some member of the ensemble [of models] gets it right at any given time. Rather, as in other fields of science, it is important to know how well the ‘best’ single model does at all times.”

Were inclusion/exclusion decisions made prior to examining the results? How do those choices impact the uncertainties?

Which metrics were used to assess the [claimed] improvements in simulations between AR4 and AR5 [2007 and 2013 reports]?

How well do the individual models do under those metrics? How good are the best models in individually reproducing the relevant climate observations to a precision commensurate with the anthropogenic perturbations?

Climate Sensitivities

The APS notes that the 5th IPCC report acknowledged model overestimates of climate sensitivity to C02 increases, both in transient and equilibrium modes:

“As the observational value of TCR [transient climate response] is simply estimated to be approximately 1.3degC, it appears that the models overestimate this crucial climate parameter by almost 50%.”

 Please comment on the above assessment.

Box 12.2 of AR5 Working Group 1 states: ‘Unlike ECS [equilibrium climate sensitivity], the ranges of TCS [transient climate sensitivity] estimated from the observed warming and from AOGCMs [ Atmosphere-Ocean General Circulation Model] agree well, increasing our confidence  in the assessment of uncertainties in projections over the 21st century.’ Please comment on that statement in light of the discussion above.

The scale of anthropogenic perturbations

The APS notes that solar and thermal warming of the earth’s surface is about 503 watts per square metre, whereas the IPCC’s estimate of manmade CO2 forcing is only 1.3-3.3 watts per square metre, less than 0.5% of the total. Even if CO2 levels leapt from the present 400 parts per million to 550ppm, the CO2 warming would still be less than 4 watts per square metre, the APS says.

“The earth’s climate stems from a multi-component, driven, noisy, non-linear system that shows temporal variability from minutes to millennia. Instrumental observations of key physical climate variables have sufficient coverage and precision only over the past 150 years at best (and usually much less than that). Many different processes and phenomena will be relevant and each needs to be ‘gotten right’ with high precision if the response to anthropogenic perturbations is to be attributed correctly and quantified accurately. For example, a change in the earth’s average shortwave albedo [reflectivity] from 0.30 to 0.29 due to changing clouds, snow/ice, aerosols, or land character would induce a 3.4 W/m2 direct perturbation in the downward flux [warming], 50% larger than the present  anthropogenic perturbation.

Moreover, there are expected feedbacks (water vapor-temperature, ice-albedo…) that would amplify the perturbative response by factors of several. How can one understand the IPCC’s expressed confidence in identifying  and projecting the effects of such small anthropogenic perturbations in view of such difficult circumstances?”

Sea Ice

The APS notes that the models seem able to reproduce the Arctic declining ice trend, but not the Antarctic rising ice trend. Moreover, the APS has spotted that the IPCC had done its ice graphs using only 17 out of its 40 models, these 17 happening to produce reasonable fits with the data. The  APS says,

“One may therefore conclude that the bulk of the CMIP5 [latest] models do not reproduce reasonable seasonal mean and magnitude of the ice cycle. Is that the case? And if so, what are the implications for the confidence with which the ensemble [the whole 40 models] can be used for other purposes?


The rate of rise during  1930-1950  was comparable to, if not larger than, the value in recent years. Please explain that circumstance in light of the presumed monotonic [steady] increase from anthropogenic effects.

The IPCC-projected rise of up to 1m by the end of this century would require an average rate of up to 12mm/yr for the rest of this century, some four times the current rate, and an order of magnitude larger than implied by the 20th century acceleration of0.01mm/yr found in some studies. What drives the projected sea level rise? To what extent is it dependent upon a continued rise in Global Mean Surface Temperature?…

With uncertainty in ocean data being ten times larger than the total magnitude of the warming attributed  to anthropogenic sources, and combined with the IPCC’s conclusion that it has less than 10% confidence that it can separate long-term trends from regular variability, why is it reasonable to conclude  that increases in  Global Mean Surface Temperature are attributable to radiative forcing rather than to ocean variability?

IPCC officials and their supporters, including President Obama and his Secretary of State John  Kerry, have disparaged sceptical questioners as ‘flat-earthers’. Has the American Physical Society shifted to a flat-earth position?

Tony Thomas has written some 30 climate essays for Quadrant and Quadrant online. He blogs at



One of the things you NEVER hear from pro-'man-made' True Believers, is the FACT that those scores of scientific organizations which supposedly completely endorse 'man-made' global warming, are often only presenting a statement drafted by the leadership, when in fact, large numbers of members within the organization do not agree with said statement.

This situation is beginning to break down, has been breaking down for some years now. Today, the American Physical Society. Before that, the American Meteorological Society…

Or the American Geophysical Union…

Or The Royal Society…

There is a LOT of dissent out there, people. It is growing, and True Believers are either shrieking louder in hopes of scaring you, or starting to yellow and run.

Add a Comment:
EuropeanCowboy Featured By Owner Mar 31, 2014
It's interesting how you claim to be so definitely grounded in 'science', yet you stifle any discussion against your claims and bully tactics. You asked me to provide some peer-reviewed studies and the like providing evidence for man-made climate change before, as you so tacitly put it, I"shove it up my ass". Here are those peer-reviewed studies and there are plenty more if you are interested in an actual discussion:…

Kajm Featured By Owner Mar 31, 2014  Hobbyist Writer
Oh, almost forgot: you have YET to show me how the Earth's temperature has gone up 2C since 2000. Especially since that is ABSOLUTE BULLSHIT.
EuropeanCowboy Featured By Owner Apr 1, 2014
"All three major global surface temperature reconstructions show that Earth has warmed since 1880. Most of this warming has occurred since the 1970s, with the 20 warmest years having occurred since 1981 and with all 10 of the warmest years occurring in the past 12 years Even though the 2000s witnessed a solar output decline resulting in an unusually deep solar minimum in 2007-2009, surface temperatures continue to increase. Ninety-seven percent of climate scientists agree that climate-warming trends over the past century are very likely due to human activities, and most of the leading scientific organizations worldwide have issued public statements endorsing this position." -NASA, Evidence for Global Climate Change

Understand that 1970 was the beginning of the "green revolution"- an increase in human use of pesticides, petrol, and other chemicals that are proven to increase the overall density of CO2 and Nitrogen in the air, as well as through run-off incease the amount 

Secondary Resources, all of which are peer-reviewed:…

W. R. L. Anderegg, “Expert Credibility in Climate Change,” Proceedings of the National Academy of Sciences Vol. 107 No. 27, 12107-12109 (21 June 2010); DOI: 10.1073/pnas.1003187107.

P. T. Doran & M. K. Zimmerman, "Examining the Scientific Consensus on Climate Change," Eos Transactions American Geophysical Union Vol. 90 Issue 3 (2009), 22; DOI: 10.1029/2009EO030002.

N. Oreskes, “Beyond the Ivory Tower: The Scientific Consensus on Climate Change,” Science Vol. 306 no. 5702, p. 1686 (3 December 2004); DOI: 10.1126/science.1103618.

Human‐Induced Climate Change Requires Urgent Action (2013)
Statement on climate change from 18 scientific associations (2009)… anomalies/…
  • T.C. Peterson, "State of the Climate in 2008," Special Supplement to the Bulletin of the American Meteorological Society, v. 90, no. 8, August 2009, pp. S17-S18.7

  • I. Allison, The Copenhagen Diagnosis: Updating the World on the Latest Climate Science, UNSW Climate Change Research Center, Sydney, Australia, 2009, p. 11…… 01apr_deepsolarminimum.htm

Kajm Featured By Owner Apr 1, 2014  Hobbyist Writer
I also note that the `deep solar minimum` is less than half the story concerning the sun. Sunspot counts continue to be well below anything NASA predicted, and are running very close to Solar Cycle 5, which was in the beginning of the Little Ice Age. Solar Cycle 25 is projected to be even lower. And all other aspects of the sun`s energy output, have also dropped.

And funny thing, it all happened just about the time all these long, snowy, cold winters began. Of course the sun is just one aspect of all of this- but once again, NONE of it was predicted by the models.

In fact, since 2005, the Earth`s temperature slope has actually gone very slightly negative.

Still waiting on that `2C since 2000`quote.
Kajm Featured By Owner Apr 1, 2014  Hobbyist Writer
btw, all three of those polls you cite above, have been shown to be massively cherry-picked.

A quick review of the most-cited polls on 'man-made' global warming gives us the following breakdown (explanations are direct from the PDF file):

Oreskes/Peiser (2004) Actual % Explicitly Agreeing (to 'man-made' global warming) - 1.2% Number of scientists involved ~1,000

'Naomi Oreskes (2004) claimed 75% agreement and ‘no disagreement’ [left Figure 3]. Peiser (2005) re-ran her survey in 2005 and found dramatically different results. As shown below [Please see Figure 4 in the PDF file], only 13 of 1,117 papers explicitly endorse the alleged "consensus" on anthropogenic global warming.'


Doran/Zimmerman (2009) % Explicitly Agreeing 3.4% out of 3,146 respondents (out of 10,257 surveyed. Most, as you can see from these numbers, did not even respond)

'Doran & Zimmerman (2009) relied upon 79 self-selected earth scientists (qualifications unstated) who claimed to have published something on climate change recently [Figure 5]. These were drawn from a field of 3,146 respondents, many of whom protested the style of questionnaire on grounds that it is inherently unscientific to ask an opinion question, with no scientific parameters, on an empirical topic.'


Anderegg et al - 66% out of 1,372 respondents

'Anderegg et al (2010) reviewed lists of various climate declarations and IPCC participants and created a division of those "Convinced" or "Unconvinced" by the evidence (IPCC AR4 2007 declaration) [above Figure 7]. They found 66% were "CE – Convinced by the Evidence" – but this does not describe to what extent or what cause convinced these scientists.

In part two of their survey, Anderegg et al (2010) reviewed the top 100 most published/most cited researchers [below Figure 8]. They reported that 97% are "Convinced by the Evidence" in support of the IPCC AR4 2007 declaration. However, this is not surprising because papers that support the IPCC position appear to get preferential peer-review approval and research funding, according to scientists whose work challenges the IPCC mandate to explore human causes of climate change. Dr. Roy Spence writes, "I would guess today’s research funding lopsidedness is currently running at least 100 to 1, humans versus nature." '…

EuropeanCowboy Featured By Owner Apr 1, 2014
It's Interesting how the friends of Science Society was founded by Petroleum Engineers, who stand to lose quite a bit of money if practices to prevent man-made climate change were put in place. 
Kajm Featured By Owner Apr 1, 2014  Hobbyist Writer
Kajm Featured By Owner Apr 1, 2014  Hobbyist Writer
And a meaningless smear. Prove their math wrong on those three absolutely BOGUS '97%' claims.
EuropeanCowboy Featured By Owner Apr 2, 2014…, there's the 97% consensus proof,

Now that is not a smear, that is what is called in legal terms a 'relevant characteristic', something that predisposes your actions or intents based on previous interaction or disposition. For example, it's the same reason why a big businessman doesn't want the minimum wage to rise, since that would force them to pay their workers more at a loss to themselves, hence why they oppose something despite there being evidence for it (I understand that the analogy is not exactly apolitical, but I hope you understand my point). 
(1 Reply)
Kajm Featured By Owner Apr 1, 2014  Hobbyist Writer
So? Quote the EXACT LINE which says the Earth has warmed 2C since 2000, as that was your claim. I am quite aware of all the rest, and especially that EVERY SINGLE ONE OF THEIR CLAIMS re: 'man-made' have FAILed over the past 30 years.

You said the Earth has warmed 2C since 2000. Quote the exact line.
Kajm Featured By Owner Apr 1, 2014  Hobbyist Writer
I see nothing about the average temperature of the Earth having risen to 16.5C since 2000. It still stands at 14.5C.
Kajm Featured By Owner Apr 3, 2014  Hobbyist Writer
Time's UP.

As of the year 2000, the Earth's average temperature stood at 14.51C

As of May 2013, the Earth's average temperature stood at 14.6C

That is a change of .09 C over the past 13 years.


It would be tempting to believe you are reading those articles and not having the SLIGHTEST clue what any of it really means, but your attempt to discredit those who blew the '97%' polls to Hell and back, rather points to intellectual dishonesty.

Kajm Featured By Owner Apr 3, 2014  Hobbyist Writer
Still waiting.

The EXACT line which states that the Earth's average temperature has gone from 14.5C to 16.5C since 2000. Plus a link to the original. Plus the name of the climate scientist who made such a claim.
Kajm Featured By Owner Apr 2, 2014  Hobbyist Writer
Not ONE of them states, FOR THE RECORD, that the Earth's average temperature has increased 2C since 2000. If the Earth's temperature had increased 2C since 2000, every newspaper, tv and radio station would be screaming it across the globe.



Last chance.
Kajm Featured By Owner Mar 31, 2014  Hobbyist Writer
newspaper articles are not peer-reviewed research. Your link to the bit about glaciers, got panned by a pro-AGW scientist. Skeptical science is a propaganda / smear site, run by serial liars such as cook, lewandosky and nuccitelli.

All the rest show various data, but none of it proves 'human' influence, whatsoever.
sidetrack1 Featured By Owner Mar 27, 2014
I like the quote and how you linked it to your description on climate change
Kajm Featured By Owner Mar 27, 2014  Hobbyist Writer
*g* It seemed appropriate. A lot of people here on DA keep telling me 'no' :P
CrimsonFALKE Featured By Owner Mar 23, 2014  Hobbyist Digital Artist
thank you for this
karkovice1 Featured By Owner Mar 21, 2014
You tell 'em, Albert! :XD:
UNRELENT Featured By Owner Mar 20, 2014
If the tide does indeed turn...I'll never let any of them live it down. :D
tbolt Featured By Owner Mar 20, 2014  Hobbyist Artist
Here's looking forward to real discussion! =^^=
slowdog294 Featured By Owner Mar 20, 2014  Professional General Artist
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