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Re: Global warming 'past the point of no return'
According to the people I spoke to last night, the possibility of a commercial fusion reactor as about 30 years away, which is getting a bit late for preventing climate change, so we will have to do other things first. However this is probably the long term solution.
By the way, the present record for a sustained plasma is about a minute. It doesn't have to be sustained indefinitely... it can be pulsed. |
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Personally I can't see why the government can't introduce some of the green taxes they're on about and ring fence the money and pump it into providing solar hot water panels, solar electricity panels and wind turbines for every house in the country over the next ten year. They could also provide insulation and work with the fuel companys further on developing renualbe sources of energy (i.e. ethanol fuel). All this would cut our CO2 emissions immensely as well as show the public that the government are really worried about climate change and not just money making. I can see additional benefits with this also as these things will need building, servicing and replacing - I think many thousands could be employed in this new industry. Even if people don't believe in CC I think there's still a good argument for getting this country off it's dependency on gas and oil for a sustainable future should the things on the world stage take a further turn for the worse and we loose our imports. |
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Hello Shaun,
I completely agree with your last point. I don't think we should write off the fusion projects but we should definitely be looking at local generation of electricity and heat from renewable resources and the funding and strategic management of this large project has to lie with the government who can create the market. We have to be sure that the system for local collection of energy is a low-carbon system though. Because of this I would like to know how much carbon is produced in the manufacture, installation, running and maintenance of a wind turbine, a photoelectric array and a solar panel. I am worried that it might actually be very carbon-high to do all this. I realise that the energy collection phase may be efficient but white vans will have to deliver this stuff, factories will have to manufacture them by the million and they will need to be maintained and disposed of at the end of their individual lives. Has anyone got any thoughts on this? By the way, here is a scan of the progress that has actually been made in the nuclear fusion world. Note that both of the scales are logarithmic. The point marked ITER is a point where 5:1 efficiency takes place (I am guessing that the scale along the bottom is efficiency and the vertical scale is in seconds). This chart comes from AERE Culham. There has been an ongoing joke about the 30 year rule but it seems to me that there has been good progress and there is a sign that the obstacles are being overcome. https://www.cableforum.co.uk/images/...2007/03/18.jpg |
Re: Global warming 'past the point of no return'
A NASA scientist, chief of all climate and weather research programs within NASA and studied directly under Hansen, has become a sceptic. He also calls BS on some of Hansen's other claims.
http://www.theregister.co.uk/2009/01...climate_theon/ |
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I think you can give pretty long odds on 3 and 4, but a meteor strike or a super volcanic eruption probably have a lot shorter odds, especially a super volcano. I remember watching a program foretelling a 200 foot tidal wave travelling the Atlantic and decimating the East coast of America, all due to the super volcano on the island of La Palma. http://www.rense.com/general13/tidal.htm |
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Lol, it might be even closer to home for the septics..
http://www.earthmountainview.com/yel...ellowstone.htm :shocked: |
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Bring it on I say, about time we went the way of the dinosaurs!
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If you mean becoming extinct, no thanks - life may not be truly idyllic, but it's better than the alternative (imho). |
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I wish it would hurry up and kick in. I'm freezing right now!
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my stove however thinks its cold outside brrrrr |
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I really am not worrying about something i can't do a thing about and have always believed that if we are solely to blame for this which i highly doubt that our solution to it is going to have to be technological not lifestyle and that view hasn't changed. For those that call for heavy lifestyle taxes on the british people to "fight climate change" er yeah ok now back to reality if the UK became carbon neutral tomorrow it makes sod all difference to the global situation so get off the soap boxes.
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Bump.......
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http://news.bbc.co.uk/1/hi/sci/tech/8357537.stm |
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The problem is that there is no real commitment or organised plan to deal with these issues globally.
World governments are all dithering over action because they want to protect their economies. What they fail to realise is that without an environment, there will be no economy. I wonder what action the UK government has taken to prepare for rising water levels given that much of our coastline is at sea-level? At the moment, they can't even cope with inland flooding like we had in Tewkesbury. We need to be dredging rivers, building up coastal defences etc now because prevention is better than cure. Once the coastal flooding starts it will be too late and we will have a real problem on our hands. |
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As sea levels rise, it doesn't require quite so much of a storm surge for a flood to occur.
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Coastal erosion is already affecting the south coast.Some coastal areas are already experiencing flooding. Reports from round the world show that this is a global problem:- http://www.learnnc.org/lp/editions/cede_sealevel/ http://news.theage.com.au/breaking-n...1027-hhij.html http://news.bbc.co.uk/1/hi/world/south_asia/7945877.stm http://www.physorg.com/news151938896.html Some low-lying islands have already been flooded and the population have had to be evacuated. http://www.earth-policy.org/index.ph...s/2001/update2 Given that no-one is reporting that the ice caps have reformed and no intervention has worked so far, we can only assume that the trend will continue. |
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I did hear on Material World that because the sea temperatures as rising that sea levels will also rise due to expansion.
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There is no land under the north pole - it is all sea ice. So the sea levels are not going to shoot upwards as a result of it melting. However, if the north pole becomes ice-free it presents another big problem in the reduced albedo effect (reduced reflection of solar radiation back into space). Water tends to absorb solar radiation while ice reflects it. So once the arctic ice is gone, the rate of warming will increase. Then there are big problems from elsewhere, i.e. glaciers permafrost melting on land and flowing into the seas. This is water that wasn't in the oceans to start with, so whatever temperature it's at, its going to add to the overall volume. |
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Has anyone managed to work out by how much the sea levels will rise?:erm:
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I've heard all those in the past as well - I guess we'll have to wait and see what the final effect is ---------- Post added at 15:10 ---------- Previous post was at 15:08 ---------- Quote:
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For some reason they want to move over to electric powered cars, yet at the same time the adverts on TV are telling us to cut back on our use of electric. I think that us at home can do very little, but a switch over to cleaner ways of producing electric could help a bit.
Global warming is happening and the Maldives are in a panic. I think government money should be pumped into wind farms and other ways of making green electric. Lets cut back on Oil, coal and gas and get works and factories to be greener. |
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If you run a car on fossil fuel, then that car will always have a significant carbon footprint. If you run it on electricity, then the car's CO2 footprint can be reduced by generating the electricity from wind, wave, solar or nuclear power, or possibly by so-called 'clean coal' generation, assuming that can ever be made to work on a commercial scale. Quote:
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Just as an aside, what happens if the stable ice caps do melt and instead of being fixed at the poles as ice the resultant melt water flows about over the earth's surface?
Will this have implications for the tilt and spinning of the Earth? |
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An interesting question. The spin of the Earth causes it to be slightly greater in diameter at the equator compared to it's vertical measurement.
I wonder if the extra water released by melting ice and the heat-expansion of the oceans will be more damaging around equatorial zones? In years to come maybe the Sahara will bloom again. |
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See it's this inability to get a straight answer that makes the average punter give up on global warming.It's also why so many of the population find it hard to get to grips with carbon footprints and recycling and actually understanding what changes they should expect and what they can do if anything to avert any such situation. |
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I'm on the fence as to whether to believe all the doomsday stories about global warming but I do believe humanity is "assisting" the warming of the planet
But, even after all the evidence, research and confirmed studies, the governments of the world really aren't doing much at all, certainly not enough to make a real difference anyways It always seems to come down to the cost involved, but the planet is priceless, it's our home, it's not like we can just "move out" when it can no longer sustain us. To be honest, most humans don't deserve to live here and I think back on two quotes in paticular which I remember from The Matrix and The day the earth stood still, which were "I'm afraid they are not a reasonable race. Any attempt to intercede with them would be futile. They are destructive, and they won't change. The tragedy is, they know what's going to become of them." And "Every mammal on this planet instinctively develops a natural equilibrium with its surrounding environment, but you humans do not. You move to an area and you multiply, and multiply until every natural resource is consumed and the only way you can survive is to spread to another area. There is another organism on this planet that follows the same pattern. Do you know what it is? –A virus. Human beings are a disease, a cancer of this planet." Not saying everyone is like that mind you, but the majority, in my opinion, seem to be heh. |
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http://www.guardian.co.uk/science/20...hange-flooding |
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grazing animals produce he most gh gasses by far
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http://www.timesonline.co.uk/tol/new...cle2051364.ece |
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Seen as you all seem to believe in anthropic climate change will someone explain why the planet has been cooling for the past 11 years. I think if people actually looked at the evidence like the infamous massaged figures hockey stick graph and the actual percentage of co2 that human activity produces, you might rethink the impact that we are having on any change that is occurring.
http://news.bbc.co.uk/1/hi/8299079.stm By Paul HudsonClimate correspondent, BBC News Average temperatures have not increased for over a decadeThis headline may come as a bit of a surprise, so too might that fact that the warmest year recorded globally was not in 2008 or 2007, but in 1998.But it is true. For the last 11 years we have not observed any increase in global temperatures. |
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Seems a reasonable enough explanation to me. :shrug: |
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http://www.climateaudit.org/ |
Re: Global warming 'past the point of no return'
I've edited your post - we prefer you not to copy and paste large amount of text straight from other sources, and especially not without using [ quote ] tags.
If the text you originally posted comes from somewhere other than the link you have already provided, please provide a link to it. You may also highlight a key paragraph by re-posting it, provided that you put it in [ quote ] tags and acknowledge the source. |
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Truth is, "scientists" don't know what causes climate change. The earths climate has "never" stood still.
over the millenia the UK has been frozen as far down to the south coast, and been covered in tropical rainforest. There was more CO2 in the atmosphere during the last Ice Age than there is now, and that's a fact you are free to look up. The causes of climate change are complex and I doubt our influence in the last 100 years has suddenly sent the planet out of kilter, and most probably it was already heading this way. That not to say we shouldn't be cleaner and greener, but just don't kid yourself that this is a human caused issue. Climate change, however, is a great excuse for increased taxation. |
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If that is the case then we still have a lot of problems to face. Whether or not climate change is mans fault or not the next 100 years are going to see sea levels rise and temperatures rising in some places to a point where the land becomes uninhabitable. So where are all the people going to go? Land mass is going to shrink and inhabitable landmass is going to be reduced so the population is going to decrease.
Put that with the bees vanishing and possible problems with crops and food surplies we are in serious trouble whatever the cause. Scientists do say that greenhouse gasses the worst I believe is methane is contributing to temperature increases irrelevent of whether the Earth climate changes on its own anyway |
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This is interesting, James Lovelock suggests that climate change & other factors, lack of food & resources could reduce the human population from the current 6 to 7 Billion down to 1 Billion by the end of the century.
C'est la vie :) http://www.newscientist.com/blogs/sh...-humanity.html |
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Hmmm, while there is undoubtably some substance to the claims of the catastrophians, the longer this argument drags on with the ineffective but, of course, revenue raising, half baked carbon footprint exchange schemes initiated to combat it, the more I am thinking the whole thing will turn out to another over-hyped scare like Y2K, bird flu and swine flu to name but a few.
Take X daily to reduce cholesterol, NO! Don't take X it causes cancer, take X under medical supervision, it causes cancer but reduces obesity............and so it goes on. We are bombarded with such pseudo science drivel almost every time we listen to the news or read a newspaper. It seems there always has to be some dark foreboding threat hanging over us to shape our existance. In the absence of a real war we lived for ages under the threat of the cold war and communism. As soon as that fizzled out or maybe became unsustainable we are now wallowing in Terrorism and Global Warming. I wonder what the next crisis to club us with might be. :) Certainly food for thought. |
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For pacifists substitute denyers. The principle remains the same and as effective as it was in the past. |
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Mick, Y2K was not an overhyped scare - a lot of work went into making sure the scare did not become reality (for instance, I was in at work at 5am Jan 1st, 2000, and most of my team had been in since 11pm the previous night, and that was after about two years work of a team of 80 staff, not counting all the MS, Novell, Oracle, etc updates, and all the Telecomms/Server/etc firmware updates that were supplied).
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it was
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Well those that were still sober and gullible enough to give a damn. :D |
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Global Warming is a myth....
Scientists were lacking Funds many years ago, Global warming just arises from nowhere and Scientists are being funded left right and centre Nothing slightly Fishy there? A hippy and a bong could work this whole thing out |
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Oh sure, it's all a conspiracy by the evil scientists.
Which ones, by the way? I mean, exactly which ones? Presumably you know, seeing as it was so simple to work out? |
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Until then.. Its just a rumour ;) |
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I did hear somewhere that the melting ice caps may result in greater volcanic activity. I think the argument was that the ice caps keep the magma below cooler.
But, hey I'll be alright; I don't live near a volcano |
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I worked at Worthing hospital and a lot of time was spent updating all the old (486 era) computers with bioses, as well as the servers, which were also DX 100mhz models, heh Not to mention all the windows updates (Windows 95/3.11) I don't think they wanted to take the risk incase the medical systems stopped working come 2000, especially considering how they were based on Access 2.0 databases |
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;) |
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Until then... it's just a rumour ;) |
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The other one to quote some random scientist on matters of Global Warming or Vaccination and pretend the scientific community is more divided than it is. |
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Of course they didn't. Thew Y2K issue was a "concern" to "some" computer systems, but absolutely not on the scale as it was reported. There was no danger of planes falling out of the sky etc. ---------- Post added at 09:56 ---------- Previous post was at 09:54 ---------- Quote:
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This whole planet is plain silly.. 2012? get real Y2K... Epic fail! Judgement day seems to be every year and fails ? SARS, bird flu and swine flu.. The worlds governing bodies will do just about anything and for what? Why bring Global warming up now when its apparently been happening for years? They seem to bring it up when their paychecks got smaller no? Yet another Brilliant con brought forth by the trustworthy scientists |
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But theres a substantial difference between Al Gore's mouth and aliens.. This will always be the case During any crisis.. 1/2 will choose to believe and the other choose to laugh it up like anything else |
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Global warming is just an excuse for governments to scare the locals, to raise taxes, and to introduce taxes. imho.
money will not rescue a planet that doesn't need rescuing. |
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They brought it up because it was noticed and they get funding because how else is it going to be fixed? You might as well say all scientific findings are a conspiracy by those evil scientists in order to gain money. Incidentally scientists were going on about Global Warming for years before governments and businesses took notice. Honestly the last line of that post is moronic. |
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Hottest year on record. some say it was 1998. and some say it should be this year. and then some say it was 1934. :erm:
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But they are trustworty right, Told us Bird Flu was a pandemic killer and sars would spread all across the land, Swine flu was the next big deal... For what so we would spend money on crap we didnt need!? anyone noticed that already this global warming crap is dying down.. used to be shoved in our faces everyday and now you get the odd advert Every so often a 'problem arises' like the ones mentioned above, and its the people who refuse to buy that crap that defeat the problem. We refuse to listen to this Diabolical Nonsense anymore. We have been fed crap for years on end and we have toppled it by simply refusing, Global warming is no different... It has come.. it will go.. we shall laugh again |
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As has been stated before, it is the media's interpretation of scientific findings that causes the problem (especially in the Bird Flu and Swine Flu issues) - I would recommend you read the badscience.net website on the slanted and misreporting on this sort of thing.
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Never what will happen? |
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Scientists can show what has happened, what is happening, and the likelihood of what is to happen in future given the current set of data. They have concluded that given the past rate of warming, the current effects (ice caps melting), and historical events to say it's most likely we will see more unpredictable weather and a heating up of the atmosphere. For those who correctly point out that Global Warming has occurred naturally in the past, yes, but your leaving out the part that those periods of warming took centenaries and not less than 100 years as ours has done. n |
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Everyone has opinions and if This Global Warming was such a 'Serious threat' there would be a lot more going on than there is at the minute Because Honestly It seems most countires are not buying this crap either.. Yes but how do you know Its been the last 100 years. We have no idea if they have predicted anything correctly? |
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Last 100 years = Past. You don't need to 'predict' what has happened in the last 100 years. |
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There is as much compelling data to prove that humans activity is not the source of climate change as there is that proves we are. Quote:
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Scienstists produce theories based upon the best evidence available to them at the time they produce the theories. Of course, further evidence may be discovered that disproves that theory, so the theory is then disputed and either disregarded or improved. |
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I'll be happy to prove something once you prove this global warming theory? And your happy to believe anything that is said also? Someone tells you The Dinosaurs came back. Do you believe them? I mean walking with dinosaurs BBC1? Thats on TV so they must be back! Scientists Draw Graphs On paper!! They must be true.. Works both ways :) In my Entire life I have seen Nothing Differ with Climate? No drastic Weather changes.. Some 1-off weather bursts in different countries but nothing to make me start smoking weed and hitting a bible, In Summer its hot.. In winter its cold! :) Scientists Come up with the Global Warming theory and your happy to just sit back and Believe anything that is slapped on your plate! Correct? Jumped on the bandwagon of worried and scared people and for what.. 50-100 years in the future Humanity is still standing where they look at Al Gore as an Adolf Hitler of our time.. Gordon Brown? Al Gore Bush! Riddle these lot with bullets.. Putin! Sorry for my Humour :) |
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You see, I do something that you should maybe try. If I read an article that interests me, I'll try and find other sources for that information. The general idea being if you find the same info from several sources, it is more likely to be correct.. Quote:
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there's a book you can buy. it's called 1001 Ways You Can Save the Planet: Practical Ideas to Heal and Change the World not printing the book in the first place would have been a contribution to healing the world. |
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Search for goerge carlin saving the planet on youtube :)
Warning: some swearing. |
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it can't be healed and it can't be saved, 1 because no amount of money you get taxed to go towards this scam will do it. and 2 because it doesn't need healing or saving. and 3 we adapt to the changes like we always have done since the first man walked the earth. |
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Overfishing, polution in our rivers and seas. Extremes of weather becomming more the norm.... Flowers comming into bloom in completely the wrong season, animals breeding earlier and earlier in the year, but nothing going on ? Such arrogance and hubris will be the downfall of the human race from the (alleged) heights we have so far achieved.... Ofcourse, I do believe that we as a species do deserve out baloons being punctured.... But I doubt that the humans alive in 60 - 100 years will thank us for the state of the planet we will leave them. ;) |
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More 'scaremongering'/'evidence' - 6 degrees of warming
http://news.bbc.co.uk/1/hi/sci/tech/8364926.stm |
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