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Dude
SFN Die Hard

USA
6891 Posts

Posted - 04/17/2007 :  17:28:58   [Permalink]  Show Profile Send Dude a Private Message  Reply with Quote
Dave_W said:
quote:
That's the one, Dude, and it seems to have proven the concept. Someone needs to take the next step and build a facility next to a landfill, and just start siphoning the trash out.


Yeah.

This plant met with a lot of resistance here in the US. Everything from having to fight to win a tax subsidy (every other oil production facility in the US is subsidized, but these guys had to fight, and hire lawyers and lobbyists, to get one) to being hit with fines for being to stinky.

Last I heard they were shopping the concept out to a couple of European countries, stench problem solved by adding additional filters, and weren't currently considering building another US plant.


Ignorance is preferable to error; and he is less remote from the truth who believes nothing, than he who believes what is wrong.
-- Thomas Jefferson

"god :: the last refuge of a man with no answers and no argument." - G. Carlin

Hope, n.
The handmaiden of desperation; the opiate of despair; the illegible signpost on the road to perdition. ~~ da filth
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Hawks
SFN Regular

Canada
1383 Posts

Posted - 04/17/2007 :  17:37:31   [Permalink]  Show Profile  Visit Hawks's Homepage Send Hawks a Private Message  Reply with Quote
My reason for saying that using animals to create biofuels being a bad idea was that I was working under the assumption that these would be grown for this very purpose. Using waste material from where-ever-else would obviously be a better idea. Regarding my claim that growing crops for fuel production will not necessarily have any significant effect on cutting green-house gases, let me use the following article published in Environmental Science and Technology, 2006, 40, 1744-1750 by Roel Hammerschlag.

Roel looked six papers published regarding the amount of non-renewable energy that is required to create renewable ethanol. All papers give a ratio (rE) that when it is larger than 1, it means that there is more renewable energy produced than non-renewable being consumed (this is obviously desirable. Side note: even a ratio above 0.76 would reduce the use of fossil fuels). The six papers had rE's of 1.29, 1.65, 1.38, 1.38, 0.84 and 1.62. Apart from the claim of one paper, it would seem that growing crops for ethanol production can actually produce more renewable energy than the amount of non-renewable used during it's processing. All of them can decrease dependence on non-renewable energy resources - and thus be more carbon-neutral. Growing crops for fuel would thus seem to be a good idea.

There exists other problems when growing crops for fuel, however. From New Scientist (23 Sept, 2006):
quote:
According to a study published in June by the Worldwatch Institute, for Brazil to produce 10 per cent of its entire fuel consumption requires just 3 per cent of its agricultural land, so it's not surprising other places want to emulate Brazil's approach. The problem is that in most other countries, the numbers don't add up.

The same Worldwatch study estimated that to meet that 10 per cent target, the US would require 30 per cent of its agricultural land, and Europe a staggering 72 per cent.


The current process for extracting ethanol for fuel consumption, while most likely having a positive effect on global warming, might not live up to the hype. (On top of that, ethanol production also has the potential reduce already precious water reserves, reduce species diversity and increase food prices).

Saying that, the cellulose ethanol Dude talked about gave, in Roel meta-analysis, rE's of more than 4.40 - now there's something to develop further. More bang for the buck - less negative consequences overall.

METHINKS IT IS LIKE A WEASEL
It's a small, off-duty czechoslovakian traffic warden!
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Dude
SFN Die Hard

USA
6891 Posts

Posted - 04/17/2007 :  22:07:59   [Permalink]  Show Profile Send Dude a Private Message  Reply with Quote
Hawks said:
quote:
Saying that, the cellulose ethanol Dude talked about gave, in Roel meta-analysis, rE's of more than 4.40 - now there's something to develop further. More bang for the buck - less negative consequences overall.


Yes. Ethanol from cellulose is the only really viable long term approach for this at the moment.

Using cellulose we would drastically reduce the use of crop land for production, we only need to harvest biomass from areas that can't support crops. Anyplace a plant will grow will do. I particularly like my idea of offshore seaweed farms.


Ignorance is preferable to error; and he is less remote from the truth who believes nothing, than he who believes what is wrong.
-- Thomas Jefferson

"god :: the last refuge of a man with no answers and no argument." - G. Carlin

Hope, n.
The handmaiden of desperation; the opiate of despair; the illegible signpost on the road to perdition. ~~ da filth
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Bill scott
SFN Addict

USA
2103 Posts

Posted - 04/18/2007 :  04:56:35   [Permalink]  Show Profile Send Bill scott a Private Message  Reply with Quote
quote:
Originally posted by Dude


quote:
Well, the Chinese themselves have developed a wind turbine that can generate power at lower windspeeds than conventional wind turbines.

Maglev wind turbine



Wow, that's pretty cool. The Chinese appear to be on to something. And did you note this:


"and a notable advance in independent intellectual property rights in China"


Amazing what the Chinese can accomplish when they let free market forces dictate and drive their economy.


quote:
The main issue with wind power in China appears to be that there are very few Chinese companies that make wind turbines. This means that the tech support and parts have to be imported, adding to the cost.


Right, they seem to be on to something with this magnetic concept, now to make it practical.





quote:
As with the rest of the world, the initial cost of building wind farms, and the associated cost of running them, is still a barrier.


Right, they seem to be on to something with this magnetic concept, now to make it practical.





quote:
Kinda like plasma TVs. 15 years ago they cost $15k for a 42in TV. Now you can buy a 50in plasma TV for $2000.

As more people adopt the tech, the price will fall.


I follow your logic. It is race at this point from what I can see. Affordable green energy before all these non-industrialized nations go industrialized using coal, or such, as their main energy source. Now as an engineer I can appreciate the effort that has went into these magnetic windmills, but again, how much of China's new thirst for power is being filled by windmills? How about in five years? According to the numbers in about five years China will have around 260 new coal fired power plants up and burning. I am not here to beat on wind energy, I think it is a fascinating field. What I am saying is that the race is on for a renewable energy source before all these nations go more and more industrialized. Globally the demand for energy is only going to get bigger and affordable fossil fuels will always be there to fill in the vacuum left by the lack of an alternative energy source and they will be a vary tempting source for nations now seeking more power.





quote:
We can have green energy, but only if we insist on it from our elected officials.


I think I pretty much agree.


"Lets get one thing clear, Bill. Science does make some assumptions." -perrodetokio-

"In the end as skeptics we must realize that there is no real knowledge, there is only what is most reasonable to believe." -Coelacanth-

The fact that humans do science is what causes errors in science. -Dave W.-

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Bill scott
SFN Addict

USA
2103 Posts

Posted - 04/18/2007 :  04:59:18   [Permalink]  Show Profile Send Bill scott a Private Message  Reply with Quote
quote:
Originally posted by filthy




quote:
Not to mention the fact that we are slowly losing our #1 crop pollinator, the Italian honey bee. There's lots of conjecture as to the cause, but no hard science on it yet. The cell phone radiation hypotheses looks pretty good but it's not yet established.


I just heard about that. Boy now that would be a stand off. Tell the folks to give up their cell phones or face serious crop reduction and maybe shortages.




quote:
(I take a smug satisfaction in that I don't have a cell and entertain no ambitions to acquire one. As far as I'm concerned, they're an unnecessary menace to navigation.)


Amen brother.



quote:
Isn't this fun?


At times.


quote:
So, there are a lot more factors involved than just warming, and I'm not at all sure that we even know what many of them are.


The law of unintended consequences my friend.


quote:
the warmer it gets, the more the fishing's gonna suck.

As I stated before, "We're fucked."

I don't think we need to be fucked over this, but we'll see to it that we are.


Boy, and Dave W. said that I had a fatalistic attitude.

"Lets get one thing clear, Bill. Science does make some assumptions." -perrodetokio-

"In the end as skeptics we must realize that there is no real knowledge, there is only what is most reasonable to believe." -Coelacanth-

The fact that humans do science is what causes errors in science. -Dave W.-

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filthy
SFN Die Hard

USA
14408 Posts

Posted - 04/18/2007 :  08:39:31   [Permalink]  Show Profile Send filthy a Private Message  Reply with Quote
quote:


Boy, and Dave W. said that I had a fatalistic attitude.

A cynicism born of long observation of, and experience with, people...




"What luck for rulers that men do not think." -- Adolf Hitler (1889 - 1945)

"If only we could impeach on the basis of criminal stupidity, 90% of the Rethuglicans and half of the Democrats would be thrown out of office." ~~ P.Z. Myres


"The default position of human nature is to punch the other guy in the face and take his stuff." ~~ Dude

Brother Boot Knife of Warm Humanitarianism,

and Crypto-Communist!

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Bill scott
SFN Addict

USA
2103 Posts

Posted - 04/18/2007 :  09:52:20   [Permalink]  Show Profile Send Bill scott a Private Message  Reply with Quote
quote:
Originally posted by filthy



quote:
quote:
Boy, and Dave W. said that I had a fatalistic attitude.


A cynicism born of long observation of, and experience with, people...



Same with me. It's almost as if this original sin thing has some teeth to it and we see it bore out in reality. Hmm... interesting.

"Lets get one thing clear, Bill. Science does make some assumptions." -perrodetokio-

"In the end as skeptics we must realize that there is no real knowledge, there is only what is most reasonable to believe." -Coelacanth-

The fact that humans do science is what causes errors in science. -Dave W.-

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perrodetokio
Skeptic Friend

275 Posts

Posted - 04/18/2007 :  12:53:43   [Permalink]  Show Profile Send perrodetokio a Private Message  Reply with Quote
I walk to work, cycle anywhere not so near and take public transportation to places far away. I have been doing that for 17 years now.
So what's your point, Bill?

"Yes I have a belief in a creator/God but do not know that he exists." Bill Scott

"They are still mosquitoes! They did not turn into whales or lizards or anything else. They are still mosquitoes!..." Bill Scott

"We should have millions of missing links or transition fossils showing a fish turning into a philosopher..." Bill Scott
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perrodetokio
Skeptic Friend

275 Posts

Posted - 04/18/2007 :  13:08:46   [Permalink]  Show Profile Send perrodetokio a Private Message  Reply with Quote
quote:
Originally posted by Bill scott

[quote]The answer is that the cause of MMGW becomes a laughing stock and a mockery when many of it's most public supporters ride around in private jets and live in mansions, all while preaching personal sacrifice to anyone but themselves. The cause is not helped anymore when the many of it's grassroots folks who are pushing for the cause don't make any personal sacrifice, themselves, for the cause. They want those who are skeptical of MMGW to make all the sacrifices while they, who claim to believe this hoax, make none. Good luck with all that.


Then if a priest preaches morality and then abuses a child, does that mean that we shouldn't mind child abuse, that is not a problem? I mean, if some of the people that tell you child abuse is wrong practice it themselves, then what? Or killing (killing in the name of: Alah, Jesus, Belzebub, whatever).

Just what is your point?

"Yes I have a belief in a creator/God but do not know that he exists." Bill Scott

"They are still mosquitoes! They did not turn into whales or lizards or anything else. They are still mosquitoes!..." Bill Scott

"We should have millions of missing links or transition fossils showing a fish turning into a philosopher..." Bill Scott
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Bill scott
SFN Addict

USA
2103 Posts

Posted - 04/18/2007 :  13:34:45   [Permalink]  Show Profile Send Bill scott a Private Message  Reply with Quote
quote:
Originally posted by perrodetokio



quote:
Then if a priest preaches morality and then abuses a child, does that mean that we shouldn't mind child abuse, that is not a problem?


No, of course not.


quote:
I mean, if some of the people that tell you child abuse is wrong practice it themselves, then what?


You should treat the man for what he really is, a clown and a felon, and not a priest. Lock him up and let him preach morality to his new inmates.



quote:
Or killing (killing in the name of: Alah, Jesus, Belzebub, whatever).


Huh?


quote:
Just what is your point?


My point is that, IMO, Al Gore and John Travolta flying around the country in their private jets and maintaining mansions where they probably hardly ever sleep, all while preaching personal sacrifice to the masses in the name of MMGW is resulting in the cause of environmentalism to become a political and divisive issue among groups who, I believe, really want the same thing when you get to the core of it. As I pointed out, being a conservative I am not drawn to environmentalism because of a lecture from John Travolta or a preaching from Al Gore on the theory of MMGW. I am drawn to environmentalism and alternative energy by the facts of $3/gallon gasoline in the wake of fat CEO's from Exxon getting 400 million dollar bonus. I am drawn by the fact that China is producing one new coal fired power plant every week to 10 days. I am drawn by the fact that India is fast on their coattails. You want a united front for environmental issues between conservatives and liberals then push clean air, clean water, and the end of middle east oil dependency and I am willing to wager the vast majority of conservatives will be right on board with you. IMO, to get this united front Al Gore needs to placed in time out.

"Lets get one thing clear, Bill. Science does make some assumptions." -perrodetokio-

"In the end as skeptics we must realize that there is no real knowledge, there is only what is most reasonable to believe." -Coelacanth-

The fact that humans do science is what causes errors in science. -Dave W.-

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perrodetokio
Skeptic Friend

275 Posts

Posted - 04/18/2007 :  14:00:30   [Permalink]  Show Profile Send perrodetokio a Private Message  Reply with Quote
quote:
Originally posted by Bill scott



My point is that, IMO, Al Gore and John Travolta flying around the country in their private jets and maintaining mansions where they probably hardly ever sleep, all while preaching personal sacrifice to the masses in the name of MMGW is resulting in the cause of environmentalism to become a political and divisive issue among groups who, I believe, really want the same thing when you get to the core of it. As I pointed out, being a conservative I am not drawn to environmentalism because of a lecture from John Travolta or a preaching from Al Gore on the theory of MMGW. I am drawn to environmentalism and alternative energy by the facts of $3/gallon gasoline in the wake of fat CEO's from Exxon getting 400 million dollar bonus. I am drawn by the fact that China is producing one new coal fired power plant every week to 10 days. I am drawn by the fact that India is fast on their coattails. You want a united front for environmental issues between conservatives and liberals then push clean air, clean water, and the end of middle east oil dependency and I am willing to wager the vast majority of conservatives will be right on board with you. IMO, to get this united front Al Gore needs to placed in time out.




I can imagine why some people see Al Gore's enviromentalism as propaganda, and maybe they're right and he's a hypocrite. HOWEVER that does not make the FACTS expounded by him false.

Are you doubts about AL Gore himself or Global Warming? And what about pollution in general, not just CO2?

I don't like G.W. Bush, but if he began giving speeches about how bad global warming is and what to do to combat it, that would not make me discard the issue just because he's a hypocrite.

Edited to add: Maybe the solution is for non-political organization to tackle the issue. But then groups like Greenpeace has been labeled as lefty, tree-hugging cooks at best and as hypocrites at worst.

There's a tendency in U.S. government (at least when republicans govern) to label any group that voices concerns contrary to theirs as "anti-US", "Communists", "Terrorists", "Freedom-haters", etc.

And I am not talking about groups who strap bombs to themselves or crash planes into buildings.

"Yes I have a belief in a creator/God but do not know that he exists." Bill Scott

"They are still mosquitoes! They did not turn into whales or lizards or anything else. They are still mosquitoes!..." Bill Scott

"We should have millions of missing links or transition fossils showing a fish turning into a philosopher..." Bill Scott
Edited by - perrodetokio on 04/18/2007 14:10:35
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Bill scott
SFN Addict

USA
2103 Posts

Posted - 04/18/2007 :  15:47:32   [Permalink]  Show Profile Send Bill scott a Private Message  Reply with Quote
quote:
[i]Originally posted by [b]perrodetokio[/b



quote:
I can imagine why some people see Al Gore's enviromentalism as propaganda, and maybe they're right and he's a hypocrite. HOWEVER that does not make the FACTS expounded by him false.


Nor does that make them true



quote:
Are you doubts about AL Gore himself


Yes.




quote:
or Global Warming?


Yes.






quote:
And what about pollution in general,



I don't like it.



quote:
I don't like G.W. Bush, but if he began giving speeches about how bad global warming is and what to do to combat it, that would not make me discard the issue just because he's a hypocrite.


Then why is Al Gore and John Travolta given a free pass?





quote:
Edited to add: Maybe the solution is for non-political organization to tackle the issue. But then groups like Greenpeace has been labeled as lefty, tree-hugging cooks at best and as hypocrites at worst.


To be honest, I don't know enough about Greenpeace to say one way or the other.



quote:
There's a tendency in U.S. government (at least when republicans govern) to label any group that voices concerns contrary to theirs as "anti-US", "Communists", "Terrorists", "Freedom-haters", etc.


I won't debate that.




quote:
And I am not talking about groups who strap bombs to themselves or crash planes into buildings.


Neither am I.



quote:

I walk to work, cycle anywhere not so near and take public transportation to places far away. I have been doing that for 17 years now.
So what's your point, Bill?


Me? It's your point.

"Lets get one thing clear, Bill. Science does make some assumptions." -perrodetokio-

"In the end as skeptics we must realize that there is no real knowledge, there is only what is most reasonable to believe." -Coelacanth-

The fact that humans do science is what causes errors in science. -Dave W.-

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Pimp
BANNED

7 Posts

Posted - 04/18/2007 :  18:35:54   [Permalink]  Show Profile Send Pimp a Private Message  Reply with Quote
Excellent thread! I visit several forums where many people deny man made global warming!
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filthy
SFN Die Hard

USA
14408 Posts

Posted - 04/19/2007 :  07:19:08   [Permalink]  Show Profile Send filthy a Private Message  Reply with Quote
Here's a thought:
quote:
Scientist says cremation should meet a timely death
Published: Wednesday April 18, 2007

An Australian scientist called Wednesday for an end to the age-old tradition of cremation, saying the practice contributed to global warming.

Professor Roger Short said people could instead choose to help the environment after death by being buried in a cardboard box under a tree.

The decomposing bodies would provide the tree with nutrients, and the tree would convert carbon dioxide into life-giving oxygen for decades, he said.

"The important thing is, what a shame to be cremated when you go up in a big bubble of carbon dioxide," Short told AFP.

Man's got a point -- every little bit helps.....




"What luck for rulers that men do not think." -- Adolf Hitler (1889 - 1945)

"If only we could impeach on the basis of criminal stupidity, 90% of the Rethuglicans and half of the Democrats would be thrown out of office." ~~ P.Z. Myres


"The default position of human nature is to punch the other guy in the face and take his stuff." ~~ Dude

Brother Boot Knife of Warm Humanitarianism,

and Crypto-Communist!

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Siberia
SFN Addict

Brazil
2322 Posts

Posted - 04/19/2007 :  09:59:46   [Permalink]  Show Profile  Visit Siberia's Homepage  Send Siberia an AOL message  Send Siberia a Yahoo! Message Send Siberia a Private Message  Reply with Quote
quote:
Originally posted by Hawks

quote:
Originally posted by Siberia

And yesterday there was on the news a new method for turning animal and vegetal fat into biodiesel. Pretty cool, pity I have no english sources of it.


That would seem to be a REALLY bad way of getting our fuel. It is already doubtful that growing crops for the purpose is going to have any significant effect, so adding another trophic level to the mix (and losing about 90% of the energy in the process) would, at a first glance, seem like madness.


Like you yourself said, it's not growing animals for that; it's simply using what's left of animals for that. Personally, I think it's finally giving an use to liposuction clinics...

"Why are you afraid of something you're not even sure exists?"
- The Kovenant, Via Negativa

"People who don't like their beliefs being laughed at shouldn't have such funny beliefs."
-- unknown
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