Global warming isn't anything to worry about

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Discussion Overview

The discussion revolves around the topic of global warming, specifically questioning its significance and the credibility of its advocates. Participants express various viewpoints on the causes of climate change, the role of influential figures like Al Gore, and the implications of accepting or rejecting the concept of human-induced climate change. The scope includes theoretical perspectives, personal opinions, and references to scientific evidence.

Discussion Character

  • Debate/contested
  • Exploratory
  • Technical explanation

Main Points Raised

  • Some participants argue that global warming is a natural phenomenon, citing historical temperature fluctuations such as ice ages.
  • Others contend that substantial evidence indicates the current temperature increase is primarily caused by human activities.
  • A participant suggests that regardless of the cause, the potential negative consequences of global warming warrant action to mitigate its effects.
  • Concerns are raised about the credibility of advocates like Al Gore, with claims that his financial interests may influence his stance on climate change.
  • Some participants emphasize the importance of evaluating the evidence for global warming independently of personal biases against its proponents.
  • Requests for scientific evidence supporting claims about climate change are made, with links to various reports and data sources provided by participants.
  • There is a mention of the political affiliations of those who support or oppose the concept of global warming, suggesting that this may influence perceptions of its validity.

Areas of Agreement / Disagreement

Participants express a range of views, with no consensus reached on the significance of global warming or the credibility of its advocates. The discussion remains unresolved, with competing perspectives on the causes and implications of climate change.

Contextual Notes

Participants reference various scientific reports and data sources, but there is no agreement on the interpretation of this evidence. The discussion reflects differing levels of trust in the information presented and the motivations of those advocating for action against climate change.

  • #31
Phrak said:
Perhaps there is a measuring rod to decide the overall value of peer reviewed papers on the topic of global warming. If so compelled we could look at various topics in physics, and count how many papers, relatively, are devoted to the criticism of the methods or data of another paper. These numbers could be compared to those devoted to the study of global warming.

But wouldn't that just be an indication of where the funding is going, which can be politically motivated (especially around the question of AGW)?
 
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  • #32
rasmhop said:
In my opinion it doesn't really matter whether it's caused by us or not, what matters is that it's likely to lead to negative consequences and that we have the means to mitigate these effects. Even if global warming was natural we should try to prevent it if we could.
I see. So you believe that humans altering the climate of the Earth by using energy sources that are convenient is wrong. But even if human produced CO2 is not responsible for global warming humans should alter the Earth's climate for their own convenience? Do you really think that makes any sense?

vibjwb said:
Rush Limbaugh says that The Manmade Global Warming Hoax Thrives on Faith, Not Facts. How could Rush possibly be wrong? Rush knows everything. A lot of what I see in this thread comes from him.
Andre is a well read scientifically minded individual. He has been showing evidence that he finds contradicts AGW theories while most everyone responding to him seem to more or less assume that he is ignorant. I'd have to say that the blind faith in political advocates seems to be sitting more on the shoulders of the liberals in this thread. If you would like to represent your (and my) political philosophy well I suggest you start acting more maturely, else you set yourself in the same category of political thinkers as the dittoheads.
 
  • #33
Thanks for the support, all. However I still sense that the quantity of research is more important than the quality of research. How did Einstein put it again as reaction to "100 authors against Einstein"?

If I were wrong, then one would have been enough!

Now here is http://icebubbles.ucsd.edu/Publications/CaillonTermIII.pdf about the "amplification" factor of CO2 during the glacial temination. The last sentence:

The radiative forcing due to CO2 may serve as an amplifier of initial orbital forcing, which is then further amplified by fast atmospheric feedbacks (39) that are also at work for the present day and future climate.

Now what is that? Idea - hypothesis - theory -physical law? Since it is based on observation of a phenomenon it's absolutely fair to call it a hypothesis.

But hypotheses require testing before it is accepted as theory. Note that engineers have spent many semesters to master the obnoxious behavior of closed loop feedback systems. So you can't really assess a single page hypothesis about possible feedback behavior as thoroughly tested on its physical feasibility. And as far as I know no follow up study has ever been published attempting to model this assumed isotope - CO2 interaction as a positive feedback construction and if I try it myself I can see why.
 
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  • #34
TheStatutoryApe said:
Andre is a well read scientifically minded individual.

Then he should understand that reliable sources are needed and stop using personal attacks against opponents.
 
  • #35
Phrak said:
How good a science is global warming?

Not very good at all, no matter which side of the argument you are on. The fact is that our planets climate is an EXTREMELY complex system which makes it very difficult to model and study. There are hundreds if not thousands of factors that need to be considered when developing relationships between greenhouse gas content and the amount of internal energy in the surface of the planet. Has the IPCC and EIA considered them all? I doubt it.

Currently, as far as I have researched, there is a LOT more evidence supporting climate change than not. This may change in the future as we better understand our planets climate and history along with developing better models, but from what I have seen and witnessed, the worlds climate is changing and we should do something about it.

Even if the climate isn't changing from greenhouse gas emissions, then what is the harm of becoming a more environmentally friendly society anyway?
 
  • #36
Topher925 said:
RE: How good a science is global warming?

Not very good at all, no matter which side of the argument you are on. The fact is that our planets climate is an EXTREMELY complex system which makes it very difficult to model and study.

TheStatutoryApe said:
I see. So you believe that humans altering the climate of the Earth by using energy sources that are convenient is wrong. But even if human produced CO2 is not responsible for global warming humans should alter the Earth's climate for their own convenience? Do you really think that makes any sense?

Topher925 said:
Even if the climate isn't changing from greenhouse gas emissions, then what is the harm of becoming a more environmentally friendly society anyway?



I think this just about sums it all up for me. The point is all we know for sure is that the planet IS warming. There IS a possiblity that we are causing it. We also know that warming is generally a bad thing. However as the system is so complex it is difficult to determine the extent (if at all) the impact we are having.

The choices are:

Wait to see and continue research, but do nothing about the potential problem?
Contine research and progressively move towards a cleaner source of fuel?


As Topher mentioned what is the harm of moving towards a greener society anyway? Not only that but when one of the options carries the risk of permanent damage (which may happen anyway who knows) In this sitation I would tend to choose prudence and err on the side of caution.

It's a pascals wager sort of thing. We have nothing to lose by continuing research but making a progressive attemt to switch to a more sustainable fuel source. In the event that we are the cause of global warming we win. If we arent the cause of global warming, then we haven't lost as the research is good for when it becomes uneconomical to use fossil fuels.

If we continue along the route that TheStatutoryApe implies in the quote. If we are the cause, then by the time we realize it could be too late. If we arent the casue then there is no problem, we just have to start researching alterative fuels sometime in the future.
 
  • #37
then what is the harm of becoming a more environmentally friendly society anyway?

Environmentally friendly / efficient is a contradiction to what global warming nuts actually want to accomplish. Carbon credits, sequestration, blocking the suns rays are all absolute garbage and will serve only to cripple our economy.

Simply put we have no real alternative to coal since nuclear is still associated with death. Cut off coal and we're back to the stone age.
 
  • #38
Blenton said:
Environmentally friendly / efficient is a contradiction to what global warming nuts actually want to accomplish. Carbon credits, sequestration, blocking the suns rays are all absolute garbage and will serve only to cripple our economy.

Simply put we have no real alternative to coal since nuclear is still associated with death. Cut off coal and we're back to the stone age.

Now those nuts (on both sides) are what p*** me off about this, the answer is not to go back to living in caves and eating soil, nor just to ignore the situation and carry on burning fossil fuels merrily. The answer comes from investing in research, engineering and new technology.

A carbon offset is acutally a good idea if implememnted correctly. The thing is, anything like this is going to cost people money, which is where the real issue lies. At the moment in the UK we are taxed to oblivion on fuel, I wouldn't mind so much if that tax was actually going to help the situation, I simply suspect its going into the kitty to build more MP's a moat or pay for their porn.[/rant]
 
  • #39
This is an analogy to the climate change debate.
What if an asteroid was spotted by astronomers that was big enough to do major damage to the Earth's population and it might be on a collision course with the earth. Let's say it was about twenty years out and also the astronomers were not sure that it would impact the Earth but it would be close. Should we prepare to do something? Should we prepare to meet the climate change problem even if we are not sure?
 
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  • #40
Well, you could of course think about no-regret measures, anything that reduces our dependence on fossil fuels and that does not shoot oneself in foot.

But the main lesson is that fear rules as it has always done in the history of mankind. In another decade we may wonder why we lost the opportunity to go nuclear, well fear ruled there too and 'weather cooking' has been one of all times.
 
  • #41
Re: global warming science.

Topher925 said:
Not very good at all, no matter which side of the argument you are on. The fact is that our planets climate is an EXTREMELY complex system which makes it very difficult to model and study.

OK. But I wasn't talking about the stage, but the actors.
 
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  • #42
xxChrisxx said:
If we continue along the route that TheStatutoryApe implies in the quote. If we are the cause, then by the time we realize it could be too late. If we arent the casue then there is no problem, we just have to start researching alterative fuels sometime in the future.
I am all for alternative energy and getting rid of coal and oil as energy sources. Coal is probably one of the worst sources of energy we can use from what I have read. To not pollute the environment and achieve 'energy independence' are the best arguments for shifting away from oil and coal. Unfortunately they are not as sexy as 'The sky is falling!'

I just like to see more honest and respectable discussion and argument. Warming of the planet is not bad for the planet it is bad for humans. Saying that allowing the planet to warm for our convenience of energy choices is wrong but altering the planets natural climate to be more hospitable, for our convenience, is a good idea is a rather contradictory and poor argument. Either you are ok with altering the climate for our convenience or you aren't and saying its to save the planet is just plain dishonest.
 
  • #43
Phrak said:
How good a science is global warming?

Yes, I agree that it isn't good at all. For one, climate modeling is extremely complex. It isn't just because the variables are unknown; actually doing the modeling involves a huge amount of computing power. Since it obviously isn't possible to include every single water and air molecule, scientists have to split the atmosphere and ocean into different "chunks" and assume that the chunk is a single, monolithic entity. The smaller the chunks, the more accurate the modeling, but the more intensive the required computing power. Since the parameters--like how much rain forms given a certain temperature, humidity, and aerosol concentration--are not well-known, different sets of parameters have to be tested. To see which set is more reasonable, simulations are run on past climate to see how well it predicts the current climate in a process called "hindcasting". It's a complicated process, and one that isn't too accurate.

I don't know if any of you have heard of Climateprediction.net, but if not, read this:

http://climateprediction.net/

It's a distributed computing project that involves predicting the climate of the 21st century. They've a lot of computing power at their disposal, and have produced some interesting results: http://climateprediction.net/content/scientific-papers

Basically, there's a huge variation in predictions of climate sensitivity, ranging from 2-11 degrees. Much of the higher estimates have been ruled out by hindcasting, but none of the models predict a sensitivity of less than 2 degrees, and certainly none of them say the climate will remain unchanged if we keep on burning fossil fuels. One thing to note is that the scientists running this experiment are well aware of the inherent uncertainties and dedicated a paper to calculating them. Climate modeling isn't ESP research; errors are estimated just as they are in every experiment, and you won't hear a scientist proclaiming global warming as real if the forecasted temperature rise isn't significantly larger than the error.
 
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