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#481
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Still, climate change and sociliasm?
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#482
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#483
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Edit: kay, I just watched the video. wtf? Irony, sarcasm, funny music, this thing sounds and looks like a Michael Moore production. What has concentration of the green house gases have to do with their effectiveness if there is no context to compare it too? What have cathedrals to do with the warmth period? Vine yards have been here forever? The show did not present one hard fact, it just threw one semifact in there after the, without any sources or references to check it up? That aside, what is all that fear mongering about? This show looks like it was done by fascists countering arguments by communists (or vice versa), instead of an intelligent debate by pros. You are actually basing your stances on shows like this? So, let's get that right. Climates over earth's history have sometimes warmed, sometimes cooled. Sometimes that change was faster, sometimes lower. Sometimes it was caused by Co2, sometimes by Methan, sometimes by changes in the earth rotation axis, sometimes by vulcanic activity, sometimes by meteors. Sometimes that caused massive ice ages, sometimes it caused massive warming periods. With other words, it is an utterly chatotic and unpredictable system. What the show got right was, for example, the little ice age and the warmth period preceeding that one. That makes any "definities" pretty much impossible. Added to that, the problem is not nessecarily global warming, but "climate change". Some areas become hotter, some colder. While the arctic ice shield has been shrinking over the last couple decades (), and countries bordering that region are trying to secure shipping rights through formerly impassable lanes (North Western Passage, for example) the antarctic ice shield has not changed much at all. That has to do with the oceanic current system, which transports different climates all over the globe. Best example for that is the gulf stream. Nevertheless, we do have some facts that the climate actually is changing. The video about the arctic ice shield just one example. Is that casued by humans or not? I actually do not know. Nobody really does. What we do know, however, is that CO2 is a gas that has some influence on that. It may weaken a cool down effect or strenghen a warming effect. So the question really is not, did we cause that or not, but rather, do we want to strenghen that development or not. But let's take a step back first and look at what climate change actually means. Does it mean the end of the earth? Most certainly not. There have been much warmer periods in earth's history and live nevertheless flourished. However, these effects a) took a while to establish, sudden changes caused by meteors or vulcanic activity beeing the exceptions. b) nevertheless and regulary caused a whole lot of species to go into extinction because they specialized on certain climates. You just have the check the end of the last Ice age and the changes in Flora and Fauna it caused. How does this effect us, IF climate change actually occurs? Well, it won't cause us dying off. Some areas will even profit from this development, especially the northern hemisphere. Other areas will suffer, especially areas that already are covered in deserts. China actually is aware of this effect, Beijing gets more and sand storms every year, that is one reason why they invest so heavily in renewable energy. For the western world this means not nessecarily direct environmental consequences. BUT, climate change in human history has often triggered mass migrations. The danger here is that millions of people will try to move to areas more hospitable, which in return may cause tensions, unrest and connected to that, economic turbulences. The world balance as it is now could be seriously disturbed. Also, what happens once tempreturs in certain areias, like Siberia, rise over a certain threshhold, may be the release of massive amounts of methan, now frozen barely under the steppes soil. Methan is a much more effective Gas then CO2 when it comes to climate change. Bottomline thus is: Climate change may or may not occur, but the amounts of CO2 we put into the atmosphere "DOES" have an effect. Maybe a small one, maybe a large one, that is up for speculation. But the whole system is so unpredictable and inherently unstable that even small amounts "may" have larger consequences further down the road. Butterfly effect is the keyword here. It is this unpredicability that causes countries like Germany to think "kay, better invest and spend a bit more today, even if it is for naught (still has positive effects like energy independence, so it is a winner whatever way you look at it), then to just go on into the unkown with unpredictable risks involved. Thing is, we simply do not know enough about long term climate effects to take that risk.
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Cheers Last edited by Bewolf; 06-09-2012 at 03:14 PM. |
#484
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There has been no increase in global temperature since 1998. I think that the economic harm of such a system will be great burden to many people.
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#485
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A comment on people's behaviour in the recent property bubble. There's been some talk of 'deadbeats' and people irresponsibly taking out mortgages that they could never afford.
I think we have short memories. I can talk best about the situation in UK and Ireland just a few years ago. When property prices were continually going up there was all kinds of talk (including from 'experts' who should have known better) about property continuing to rise inexorably upwards essentially forever (ludicrous as it now seems I heard a lot of such talk then - complete with spurious but seemingly 'logical' reasons why). That was the general mood of the time and I recall something akin to panic setting in as people saw their chance of home ownership recede. As prices continued to rise there was a feeling that if they didn't act now to 'get on the ladder' they would lose any chance of ever owning a home. I'm sure that fear led to many risky gambles where a feeling of desperation over-rode caution and common sense. That attitude went hand in hand with the over-zealous behaviour of banks and mortgage lenders to fuel and sustain the whole boom.
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#486
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The other interesting fact is that the repeal of the Glas-Steagal act that allowed lenders to bundle up bad mortgages and sell them as Wall St securities was also signed by none other than Bill Clinton. Not that the repeal should be laid solely at Clinton's feet, it was definitely a bi-partisan effort. |
#487
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http://www.skepticalscience.com/glob...1998-basic.htm http://www.skepticalscience.com/glob...termediate.htm http://www.skepticalscience.com/glob...2008-basic.htm http://en.wikipedia.org/wiki/Instrum...#Warmest_years
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#488
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It's all about risk assessment. There are a lot of perceived risks to human survival. The sun going super nova, big meteor crashing into the earth, unstoppable plauges, killer bees...etc. As you said, lot of speculation with respect to humans and climate change. But the nut of it is even if it were true, is it bad enough to kill off the human race? We don't know. We do know the sun will go super nova. When all the scientists of the world stop barbecuing, stop driving gas powered cars, stop using petro products...etc. Then maybe I will listen. Until then, I remain extremely skeptical and prefer to rely on common sense. Also, I am not anti-environment. Just, there needs to be a balance and common sense applied. No sense in dealing with invisible monsters ![]() |
#489
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Common sense certainly does not match "When all the scientists of the world stop barbecuing, stop driving gas powered cars, stop using petro products...etc. Then maybe I will listen". Very comfortable attitude you have, especially given your conditions to change/believe/being convinced are such extremes it is highly unlikely it will ever happen. Kinda shows the true colors here instead of something like a "common sense" approach. You simply do not want to leave your confort zone, at least be honest about it. That said, do whatever you please. Just stop torpedoing those people that actually got themselves a bike for the dayly businesses or are trying to get everything on a bit more sustainable basis.
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#490
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erm, except the warming/ glacial periods have occured at very regular intervals over the range of the Vostok Ice Core sample, and that same study shows clearly that CO[sub]2[/sub] is not the driver. There is however, a lose correlation indicated but by no means is a cause and effect indicated Volcanic activity has been recently discoverd occuring in the West Antarctic (yes right under the Larson B shelf which broke off) and also more recently occuring under the Arctic. Quote:
no-one really stopped to consider Kondratief (sp) and his "K wave" (rise, plateau, fall) with wars at the peak and major war at the trough. The last trough was WWII
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Intel 980x | eVGA X58 FTW | Intel 180Gb 520 SSD x 2 | eVGA GTX 580 | Corsair Vengeance 1600 x 12Gb | Windows 7 Ultimate (SP1) 64 bit | Corsair 550D | Corsair HX 1000 PSU | Eaton 1500va UPS | Warthog HOTAS w/- Saitek rudders | Samsung PX2370 Monitor | Deathadder 3500 mouse | MS X6 Keyboard | TIR4 Stand alone Collector's Edition DCS Series Even duct tape can't fix stupid... but it can muffle the sound. Last edited by Wolf_Rider; 06-09-2012 at 04:38 PM. |
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