What do you think of climate change?

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LeafByNiggle:
However you just admitted that you are not an expert. So when you said “Yup, looks good to me” you could not possibly have been answering truthfully the question “Did you check all the math?”
You have several times stated that you are not an expert on climate science, thereby rendering your opinion of scientific claims as irrelevant as you believe HarryStotle’s to be. The thing is, if you take the position that only accredited scientists can legitimately hold forth on scientific claims then you cannot reasonably make this response:
HarryStotle: … “radiative forcing” isn’t based on known physics or thermodynamics.
You cannot admit to being incapable of understanding the underlying science and also assert that this or that scientific position is either true or false. By your own standard, your only justifiable response to a scientific argument is “I believe (or disbelieve) it because the scientists I have chosen believe (or disbelieve) it.

Yes it is” is not available to you. “Because my guys say so” is all you can legitimately claim.
One does not need to be an expert to quote the experts.

Nor do I preclude the possibility that some here may actually be experts. So when I asked “Have you checked the math” I was genuinely interested in whether or not HarryStotle had indeed checked the math, as unlikely as that might be.
 
One does not need to be an expert to quote the experts.
Exactly so, which is why I said your only valid response is “Because my guys say so”, so while you might say “Dr. Fred says 'Yes it is’” it is not valid to say simply “Yes it is”. That’s not a quote, that’s a scientific opinion…which by your own admission you are not competent to express.
 
Cherry-picking decades can support any narrative one wants to tell. Again it is using chaotic factors to obscure a long-term trend.
Care to comment on why a great deal of the alarmism cherry-picks the decades after about 1970 when average temperatures in the US had dropped to their lowest since about the turn of the century?

This permits them to claim the warming is undeniable. Yes, it is if you begin your data with 1970. Not so much if extended to when records began to be kept.
 
One does not need to be an expert to quote the experts.
Where experts happen to have completely opposing views on an issue…

On what grounds do you quote the experts that you do quote as “experts” and do not quote other experts who happen to disagree with the experts that you do quote?

You are determining, based upon an admitted lack of expertise, which experts you hold up as “the experts” whom you have determined (despite your admitted lack of expertise) ought to be heard and quoted.

Again, either Münchhausen trilemma…
(X → X) = arbitrary assumption
([X → Y] ^ [Y → ∞]) = infinite regress or unjustified premise [i.e., your determination of the expertise of those you declare to be experts]
([X → Y] ↔️ [Y → X]) = circular reasoning
Or Euthyphro dilemma…

Does Leaf quote the experts because they are experts or are they experts because they are quoted by Leaf?
 
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LeafByNiggle:
Cherry-picking decades can support any narrative one wants to tell. Again it is using chaotic factors to obscure a long-term trend.
Care to comment on why a great deal of the alarmism cherry-picks the decades after about 1970 when average temperatures in the US had dropped to their lowest since about the turn of the century?
No, you can start any time around the beginning of the industrial age and count forward to now. Warming is undeniable.
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LeafByNiggle:
One does not need to be an expert to quote the experts.
Where experts happen to have completely opposing views on an issue…
Then you look at their fields of expertise and you count them. On both grounds your unconfirmed Gerlich paper is not comparable to the experts whose works have been reviewed by other experts. I do trust the community of mainstream scientists because I trust the scientific method that they use in their work.
 
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Theo520:
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LeafByNiggle:
Not over an appropriately long averaging period, like 40 years. Short-term averages, over 1 or 2 years do vary more.
How does that fit with the human body, which doesn’t vary??
It’s a cute but inappropriate analogy. Body temp varies at most 0.5C in a day, A fever is actually life threatening if too high.
The purpose of the analogy was very narrow. Don’t read more into it than was intended. The sole purpose of the example was to be a reminder that 1 degree C is not always an inconsequential change. And that point does need to be made because I have seen many people here (not you) pooh-pooh temperature differences of that order in the average temperature of the globe.
The analogy would only work if human body temperatures fluctuated by 20 or 30° C on a daily basis but the annual body temperature average over a long term averaging period “like 40 years” didn’t fluctuate by more that 1° C .

The analogy is inside out.
 
…your unconfirmed Gerlich paper is not comparable to the experts whose works have been reviewed by other experts.
I see. So now you are punting to “unconfirmed.”

What, precisely, makes the paper “unconfirmed?”

I get this sense that you are moving towards a “guilty until proven innocent” stance. A paper is untrue until it is proved true by someone you have decided is “an expert.”

I thought the standard in replication was that a finding is not considered true if it cannot be replicated.

Notice, though, that there has to be replication attempts before such a declaration is made.

Can you provide a paper that disproves what Gerlich and Tscheuschner are claiming?

Please note that what they are claiming is not beyond the realm of accepted physics. If they are making false claims there ought to be reams of papers showing where they have missed the mark since what they are claiming is basic physics.

Provide one. Or alternatively, rebut one of their points. 🤓

You won’t though, will you? You will opt to avoid the entire question by defaulting to your experts.

A coy game you play – discuss without actually discussing.
 
I do trust the community of mainstream scientists because I trust the scientific method that they use in their work.
Okay. Let’s do a little experiment.

A few questions to determine who your experts are…
  1. Are the Amazon rainforests the “lungs of the earth?”
  2. Is 20% of the world’s oxygen outputted by the Amazon rainforest each year?
  3. Are forest fires on the rise globally (as determined by burn acreage) over the past three decades?
 
The analogy is inside out.
You are still trying to see some meaning beyond the very narrow meaning that was intended.
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LeafByNiggle:
…your unconfirmed Gerlich paper is not comparable to the experts whose works have been reviewed by other experts.
I see. So now you are punting to “unconfirmed.”

What, precisely, makes the paper “unconfirmed?”
The fact that no other scientists have reviewed his paper and confirmed that his conclusions are correct.
I get this sense that you are moving towards a “guilty until proven innocent” stance. A paper is untrue until it is proved true by someone you have decided is “an expert.”
Exactly. That is the scientific method. Be skeptical. I would think that a climate skeptic such as yourself would be very familiar with being skeptical.
I thought the standard in replication was that a finding is not considered true if it cannot be replicated.

Notice, though, that there has to be replication attempts before such a declaration is made.
Nope. If someone wrote a complicated paper claiming that the planet Neptune is made of green cheese, would you be inclined to accept it until someone tried to replicate the author’s work?
Can you provide a paper that disproves what Gerlich and Tscheuschner are claiming?
I can point to hundred’s of papers that do not address Gerlich explicitly, but do establish findings directly contradictory to Gerlich.
Please note that what they are claiming is not beyond the realm of accepted physics. If they are making false claims there ought to be reams of papers showing where they have missed the mark…
You have an over-inflated estimate of the importance of Gerlich in the scientific community today. No one bothers to counter his arguments because no one takes them seriously. They have work to do, unlike us forum posters who seem to have nothing better to do than argue about obscure claims.
 
What do I think…? I think there are two types of people who believe in man made global warming, the gullible, and the conniving. There are far more of the former than the latter.

Oh wait, you asked about climate change. That’s not a thing you have to “think” about. The climate has always changed, and always will. End of story.
 
Nope. If someone wrote a complicated paper claiming that the planet Neptune is made of green cheese, would you be inclined to accept it until someone tried to replicate the author’s work?
Could you explain just how “complicated” a paper would have to be to demonstrate experimentally that Neptune is made of green cheese?
A paper is untrue until it is proved true by someone you have decided is “an expert.”
Exactly. That is the scientific method. Be skeptical. I would think that a climate skeptic such as yourself would be very familiar with being skeptical.
And none of the claims of climate alarmists regarding C02 have been demonstrated by experimental means and replicated. So I remain skeptical about all of those. Touché.

Furthermore, replication refers to experimental results not arguments about scientific concepts, such as Gerlich’s. Replicable experiments would be used to counter his claims, and we can note here that none have been offered.

It wouldn’t necessarily require any replication or lack thereof to disprove Gerlich, just knowledge of the subject of physics at a sufficiently high level to discuss the subject conceptually.

My guess as to why few climatologists have addressed the paper is because they lack the necessary theoretical grasp of physics to do so.

@phaster actually cited one academic “comment” by Halpern, et al, that did claim Gerlich was in error, and that – along with a number of other critiques – has been countered by Gerlich and Tscheuschner here…


In fact, the main authors, Halpern and Zimmerman, are chemists and not theoretical physicists, as Gerlich points out in his response.

Another effort to refute Gerlich was made by Arthur P. Smith, as cited in the same paper by Gerlich and Tscheuschner.
The only attempt to try this so far is due to Arthur P. Smith (2008). However, Kramm, Dlugi, and Zelger (2009) showed that his entire paper is wrong. (p.1336)
And speaking of the scientific method, you might think about Gerlich’s point…
However, it is important to remember that science is a method to test hypotheses. We would be glad if Halpern et al. conclusively explained why the predictions of different climate models differ fundamentally and miss the reality completely. (p.1341)
So different climate models do not replicate each other, nor do they describe reality with any degree of accuracy.

So much for your replicability requirement as central to the scientific method. 🤔

I suppose the analogy would be something like demonstrating Neptune is made of green cheese using computer modelling when the reality regarding the composition of Neptune does not support what the models purport to show.

Ah, yes…
Exactly. That is the scientific method. Be skeptical.
 
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HarryStotle:
I get this sense that you are moving towards a “guilty until proven innocent” stance. A paper is untrue until it is proved true by someone you have decided is “an expert.”
Exactly. That is the scientific method. Be skeptical. I would think that a climate skeptic such as yourself would be very familiar with being skeptical.
Please recognize the difference between…
… a finding is not considered true if it cannot be replicated.
And your seeming standard that "… a finding is not considered true if it has not be replicated.

If a finding cannot be replicated THAT would be sufficient reason to consider the finding untrue.

However, if a finding has not been replicated, that is not sufficient to prove the finding untrue.

Be not only skeptical, but also precise.

That would be the central claim of Gerlich and Tscheuschner – i.e., that the greenhouse effect is completely imprecise and poorly defined by physics.
As already emphasized, Halpern et al. do not choose from the existing versions of the greenhouse effect nor define their own one which they prefer to defend. Thus the comment of Halpern et al. is scientifically worthless.
 
Furthermore, replication refers to experimental results not arguments about scientific concepts, such as Gerlich’s.
The concept of skepticism toward articles like Gerlich’s remains the same. If I can’t personally verify his argument, I’m going to disbelieve it until others who are capable have verified it.
It wouldn’t necessarily require any replication or lack thereof to disprove Gerlich, just knowledge of the subject of physics at a sufficiently high level to discuss the subject conceptually.
Which is something I do not have, and unless you have been way too modest, neither do you.
My guess as to why few climatologists have addressed the paper is because they lack the necessary theoretical grasp of physics to do so.
Of course you would guess that. I would guess the opposite.
@phaster actually cited one academic “comment” by Halpern, et al, that did claim Gerlich was in error, and that – along with a number of other critiques – has been countered by Gerlich and Tscheuschner here…

http://www.skyfall.fr/wp-content/gerlich-reply-to-halpern.pdf
How do you know Gelich successfully countered Halpern’s comment? Because Halpern admitted his mistake? Or because Gerlich says he countered it? Anyway, a comment on a blog does not amount to an academic challenge. The fact remains that Gerlich remains unconfirmed. You believe it because you want to, not because science compels you to.
And speaking of the scientific method, you might think about Gerlich’s point…
However, it is important to remember that science is a method to test hypotheses. We would be glad if Halpern et al. conclusively explained why the predictions of different climate models differ fundamentally and miss the reality completely. (p.1341)
Many different climate models have been developed over the years, all based on different parametric assumptions. Even though they all assume the accepted understanding of radiative forcing, they produce different results based on different values of the parameters - one of which is climate sensitivity. That explains why they are different, and therefore why some of them have differed from subsequent measurements. As for all of them completely missing the mark, that is just untrue. Some of them have proven remarkably accurate in predicting global trends.
 
If a finding cannot be replicated THAT would be sufficient reason to consider the finding untrue.

However, if a finding has not been replicated, that is not sufficient to prove the finding untrue.
I understand the distinction you are making here. And if no other paper had ever been written on this subject and Gerlich was the first such paper written, I would have just as much reason to believe him true as to believe him false. But that is not the case. We have years of papers and a plethora of authors whose papers are contradicted by Gerlich. Therefore skepticism falls heavily against Gerlich. The assumption that the rest of the scientific community is right and he is wrong is more reasonable than the assumption that the rest of the scientific community is wrong and he is right.
That would be the central claim of Gerlich and Tscheuschner – i.e., that the greenhouse effect is completely imprecise and poorly defined by physics.
“imprecise” and “poorly defined” are not scientifically quantifiable terms. It is a matter of degree. We know that our understanding of global climate is not perfect. But most scientists say it is precise enough and well-defined enough for our present purposes.
 
But most scientists say it is precise enough and well-defined enough for our present purposes.
Which are what, precisely?

A complete overhaul of the economy and its energy sector? Hardly “well-defined enough.”

We now have Sanders endorsing population control by government for the sake of controlling global warming.

What is next? Wholesale genocide?

Well, I suppose, we do have abortion which is genocide and widespread.
 
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LeafByNiggle:
But most scientists say it is precise enough and well-defined enough for our present purposes.
Which are what, precisely?

A complete overhaul of the economy and its energy sector? Hardly “well-defined enough.”
For the purposes of establishing what the likely detrimental effects will be on our world in 50 to 100 years. I said nothing about establishing what remedies, if any, are called for. That is a separate discussion from the facts of climate change, which have nothing to do with remedies, like overhauling the economy or energy sector.
 
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HarryStotle:
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LeafByNiggle:
But most scientists say it is precise enough and well-defined enough for our present purposes.
Which are what, precisely?

A complete overhaul of the economy and its energy sector? Hardly “well-defined enough.”
For the purposes of establishing what the likely detrimental effects will be on our world in 50 to 100 years. I said nothing about establishing what remedies, if any, are called for. That is a separate discussion from the facts of climate change, which have nothing to do with remedies, like overhauling the economy or energy sector.
Clearly the models are nowhere near accurate and cannot even be shown to account for what has transpired climate-wise in the past so to judge the detriment based upon flawed models is hardly making headway.

By the way, why the assumption that the effects will be “detrimental” on our world? Why not open the debate and the funding to research that looks at both possibilities – i.e., possible benefit or detriment – instead of just proving the detriment?

Sounds like a built-in bias, no?
 
Clearly the models are nowhere near accurate and cannot even be shown to account for what has transpired climate-wise in the past so to judge the detriment based upon flawed models is hardly making headway.
(an unjustified claim - and a false one too.)
By the way, why the assumption that the effects will be “detrimental” on our world?
It’s not an assumption. It is a carefully considered conclusion. And yes, the winners have been identified too. There will be some.
Why not open the debate and the funding to research that looks at both possibilities
It already is.
 
No one bothers to counter his [Gerlich] arguments because no one takes them seriously. They have work to do, unlike us forum posters who seem to have nothing better to do than argue about obscure claims.
learned years ago climate is not going to be explained by simple physics like “newtons” equation, or even “schrödingers” equation, so the hubris of physicist like Gerlich/Tscheuschner (2009) is they think they can explain, prove and/or disprove CC using a single field of study
a good basic understanding of physics, chemistry and math is a prerequisite to grasp why the confluence of factors in play,… like long term solar system dynamics and the basic physical properties of a CO2 molecule,… which taken together directly points to the hand of mankind causing climate change,… BUT we know most don’t attend university to formally study climate science
so once again I’ll repost the key concept(s),… ignoring michael mann’s infamous hockey stick graph,… BUT given “global dimming” (which was known 20 years ago and indicates mankind does indeed have the ability to directly influence the global climate), “decreasing pH levels in the oceans” (which is another clear signal that indicates mankind does indeed have the ability to directly influence the environment), the 2015 Berkeley lab paper on the observation of CO2 increasing greenhouse effect at the earth’s surface,

http://newscenter.lbl.gov/2015/02/25/co2-greenhouse-effect-increase/

the ever increasing concentrations of CO2 in the atmosphere (i.e. the keeling curve) and known physical properties of the CO2 molecule,… is just part of the overwhelming scientific evidence that basically tells mankind that we,… “human beings are now carrying out a large scale geophysical experiment of a kind that could not have happened in the past nor be reproduced in the future.”
actually the best “scientific” CC model metaphor IMHO would be a quantum-mechanical system because what needs to be looked at is, probability of “catastrophic risk”
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What do you think of climate change? Social Justice
sadly because of basic human nature, I doubt presenting fact(s) alone will change beliefs think of it this way, individuals undertaking risky endeavors such as climbing a sheer rock face in a hostile wilderness, flying a new aircraft design for the first time, managing a startup company, etc., can be classified as either a fool or a wise man depending upon how they approach the matter,… in other words when faced w/ a risky endeavor given the subject/context of this thread, the lesson I have …
the symptom side of CC requires a good basic understanding of basic biology (and given this forum, we should keep in mind the reluctance of many catholics to believe in evolution)



bottom line, the time constraints of daily life along w/ the formal educational-background necessary for people to grasp the CC big scientific picture,… has a great number of big obstacles to understanding,…which is needed for a solution

 
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phaster:
and an increase of 1 degrees C in the global average temperature might not seem that big a deal, until one considers it to be akin to a fever caused by an infection or illness in a human being
That is a lame analogy as the average temp varies far more.
as I have tried to point out to @LeafByNiggle and @HarryStotle the conditions necessary to grasp ideas,… like the metaphor why “Earth Has a Fever” has a great number of big obstacles!!


actually,… the great number of big obstacles explains why there are “political” (not “scientific”) comments on this thread,… for “recent” example
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What do you think of climate change? Social Justice
Climate change really is only an issue for athiests. Do believers really think that Jesus is going to come back only to find humanity is dead? Isn’t he watching? Isn’t he involved?
&
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What do you think of climate change? Social Justice
What do I think…? I think there are two types of people who believe in man made global warming, the gullible, and the conniving. There are far more of the former than the latter. Oh wait, you asked about climate change. That’s not a thing you have to “think” about. The climate has always changed, and always will. End of story.
AND looking at the much bigger picture we see news (just this week alone) about the pope saying


&

http://cruxnow.com/pope-in-madagasc...its-an-honor-that-americans-are-attacking-me/

AND lastly there are “academic” articles explaining the growing schism w/ in christianity (and other belief systems) WRT how CC is put into context by different people,…


bottom line, there is lots of info to process by human beings ill-equipped (i.e. not intellectually or emotionally prepared) to deal w/ CC
 
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