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  #301  
Old 01.10.2007, 23:34
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Re: Global Warming - what's behind it?

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no need to look for possible explanations for global warming any further:

http://www.venganza.org/:

You may be interested to know that global warming, earthquakes, hurricanes, and other natural disasters are a direct effect of the shrinking numbers of Pirates since the 1800s. For your interest, I have included a graph of the approximate number of pirates versus the average global temperature over the last 200 years. As you can see, there is a statistically significant inverse relationship between pirates and global temperature.


and they have damned strong arguments for the Creation of the Earth by Him too!
Ah, someone's been touched by His Noodly Appendage.
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  #302  
Old 02.10.2007, 03:14
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Re: Global Warming - what's behind it?

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My idea was that IPCC forecasts overestimate remaining oil reserves and so their likely production levels. Thus the IPCC BAU estimates are, for once, overly pessimistic (assuming that increases in coal burning are not met with Carbon Capture and Sequestration [CCS]).

So the cause for "slight optimism" is that there might be more time before we hit a +2C increase.
Yeah, I have to feel pessimistic about the chances of it, though. We have so much coal (>500-year supply), and we can make oil from coal, so we can preserve our energy status quo with minimal price hikes for a long time, I'm afraid.
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...we have between 40 and 80 years worth of oil reserves globally at our current burn rate of oil, and we have between 50-150 years of oil if the resource base is included. We have between 200-500 years of reserves of natural gas, and between 207-590 years of gas reserves, not including the natural gas potentially available as methane clathrates in the continental shelves. Similarly, we have between 200-2000 years of coal.

I would also point out that very few places are actually implementing CCS currently, because it's so rare that the geology near a power plant is "just right" for the technology to work.
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Sequestration in geological reservoirs is potentially promising, provided that the reservoirs will remain intact. For example, apparently at present approximately over 1 million holes exist from drilling operations in Texas alone. The collective leak rates of the reservoirs must be significantly lower than 1% sustained over a century-millenia-type time scale, because otherwise after 50 years of sequestration the yearly emissions from the reservoirs will be comparable to the emission levels that one was attempting to mitigate in the first place. A significant fraction of existing fossil-derived power plants could be retrofitted to allow for sequestration if it worked on the needed scale; however an equally significant fraction are too remote from the location of suitable geologic
reservoirs and either the CO2 would have to be pumped long distances or entirely new plants would have to be suitably sited and constructed.
Darn, I hate having to be so pessimistic about the climate.
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  #303  
Old 02.10.2007, 07:49
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Re: Global Warming - what's behind it?

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no need to look for possible explanations for global warming any further:

http://www.venganza.org/:
There you go - someone always has to bring religion into the conversation!
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  #304  
Old 02.10.2007, 08:00
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Re: Global Warming - what's behind it?

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Yeah, I have to feel pessimistic about the chances of it, though. We have so much coal (>500-year supply), and we can make oil from coal, so we can preserve our energy status quo with minimal price hikes for a long time, I'm afraid.

The numbers you qoute seem way too large. I shall read it for the assumptions and methodology and check the sources. Also, the link in para 1 of that PDF is broken

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I would also point out that very few places are actually implementing CCS currently, because it's so rare that the geology near a power plant is "just right" for the technology to work.
I agree with you on that one. I am also not aware of any commercially available CCS plant. AFAIAA it's still in R&D.

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Darn, I hate having to be so pessimistic about the climate.
Realistic, I'd say.
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  #305  
Old 02.10.2007, 10:01
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Re: Global Warming - what's behind it?

As bad as it sounds, I don't think we will solve this problem in time, especially not since we've consistently underestimated the speed of this "disaster".

I'm afraid that in the end, we may need to do some sort of a "quick fix" like geoengineering. The stakes are high, and you can mess up things really quickly, but we need to avoid the "Super GAU" at all costs. If those gases stored in the syberian permafrost get released it's basically over.

So let's get on with it - and stop driving these selfish SUV's!!!
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  #306  
Old 02.10.2007, 10:05
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Re: Global Warming - what's behind it?

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I'm afraid that in the end, we may need to do some sort of a "quick fix" like geoengineering.
Geo-engineering ??
Whats that & how do we go about it ?
Whats the cost ?

Not being cynical, but want to be better informed on this topic.
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  #307  
Old 02.10.2007, 10:24
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Re: Global Warming - what's behind it?

Watch this for geo-engineering:



And here's another idea:

http://www.climatechangeideas.net/in...pic,146.0.html

Other Links:

http://www.youtube.com/watch?v=fg7J8P-uXqM

http://www.youtube.com/watch?v=gpdBXdXN38s

Last edited by xapadoo; 02.10.2007 at 11:16.
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  #308  
Old 02.10.2007, 14:28
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Re: Global Warming - what's behind it?

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The numbers you qoute seem way too large. I shall read it for the assumptions and methodology and check the sources. Also, the link in para 1 of that PDF is broken
Well, the pdf is admittedly a couple years old, but the professor who wrote it periodically updates his numbers. His website is here: http://nsl.caltech.edu/energy.html
The powerpoint presentation and streaming video will have more recent numbers, although I don't know how well he gives his references there either.
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  #309  
Old 06.10.2007, 08:17
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Re: Global Warming - what's behind it?

"Dons his junior geek white coat"

All this science is making my head hurt again, but I found this a pretty interesting read :Paleoclimatology

I know, I should get out more ...
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  #310  
Old 07.10.2007, 01:05
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Re: Global Warming - what's behind it?

A great video from this years Clinton Global Initiative where Bill Clinton along with other famous guests is talking about climate change.

( 1h 30min, but it's worth it )

http://video.clintonglobalinitiative...ro.cfm?id=3493
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  #311  
Old 07.10.2007, 09:10
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Re: Global Warming - what's behind it?

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A great video from this years Clinton Global Initiative where Bill Clinton along with other famous guests is talking about climate change.

( 1h 30min, but it's worth it )

http://video.clintonglobalinitiative...ro.cfm?id=3493
The first 30mins are introductions it seems .
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  #312  
Old 07.10.2007, 10:42
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Re: Global Warming - what's behind it?

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The first 30mins are introductions it seems .
Right, sorry about that

I'm wondering though, what all these heads of the oil states are doing at a climate change conference
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  #313  
Old 11.10.2007, 13:09
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Re: Global Warming - what's behind it?

What is it with these sorts of films where they can't resist hamming it up?
http://news.bbc.co.uk/2/hi/uk_news/e...on/7037671.stm
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  #314  
Old 11.10.2007, 13:23
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Re: Global Warming - what's behind it?

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What is it with these sorts of films where they can't resist hamming it up?
http://news.bbc.co.uk/2/hi/uk_news/e...on/7037671.stm
Hamming it up? From the BBC article:

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The film won two Oscars.
Quite appropriate, somehow
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  #315  
Old 11.10.2007, 14:13
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Re: Global Warming - what's behind it?

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What is it with these sorts of films where they can't resist hamming it up?
http://news.bbc.co.uk/2/hi/uk_news/e...on/7037671.stm
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The judge said nine statements in the film were not supported by mainstream scientific consensus.
With mainstream scientific consensus they probably mean the IPCC which consistently laggs behind the current developments and takes a "one fits all" approach that everybody is happy with. This is so pathetic.
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  #316  
Old 11.10.2007, 14:18
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Re: Global Warming - what's behind it?

No, they meant nine things that were factually wrong. Like claiming polar bears were dying from having to swin 60 miles, when the evidence he was citing actually said they died from drowning in a storm.
The points they were making weren't about whether you believe it or not, or how fast, etc, but mostly things that were bollocks.
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  #317  
Old 11.10.2007, 22:07
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Re: Global Warming - what's behind it?

A video of Governator Schwarzenegger talking before the UN assembly:

(Requires Real Player)
http://webcast.un.org/ramgen/ondeman...6&end=00:44:07

...not sure whether England has met it's Kyoto targets yet though
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  #318  
Old 11.10.2007, 22:13
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Re: Global Warming - what's behind it?

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In the UK there is a lot of focus on this, the politicians, media keep talking about it - how we need to reduce CO2 emissions, how we need new taxes on this and that, and so on.

Very amusing...lies, lies and more lies from what I can see.

Anyone wonder why? Have these guys who have never given a shit about the environment, global poverty, suffering that they cause, suddenly become all caring and benign?

The same people that just hit Afghanistan/Iraq with Cluster bombs and others missiles amounting to 1000's time more damage then Heroshima, are now pretending to be responsible Custodians of the Earth. Right!

They say theat over 90% of the scientists believe that CO2 emissions are responsible for global warming - well, if this is the case then those scientists are either mistaken, or paid to say those things.

The earth has been through all sorts of cycles - ice ages, cooling, warming and so on. It is connected with cosmic/solar cycles. The sun remember is over 99% of the mass of our solar system, the earth is totally insignificant.

If you compare the amount of heat that is coming from the sun 365 days a year, the amount generated by cars and planes is insignificant.

So what's behind this CO2 = Global Warming nonsense?
It's not Global warming it's only gone up like 0.4° in ten years!
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  #319  
Old 12.10.2007, 07:45
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Re: Global Warming - what's behind it?

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What is it with these sorts of films where they can't resist hamming it up?
http://news.bbc.co.uk/2/hi/uk_news/e...on/7037671.stm
A pity our politicians and the advertising industry aren't held to such high standards.
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  #320  
Old 12.10.2007, 07:46
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Re: Global Warming - what's behind it?

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It's not Global warming it's only gone up like 0.4° in ten years!
You are being facetious, right?

Last edited by BeastOfBodmin; 12.10.2007 at 07:46. Reason: s/factious/facetious/
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