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"Green" policies are destroying this country

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Comments

  • Posts: 0 [Deleted User]


    You make your own choices, I don't give a **** what they are.



  • Registered Users, Registered Users 2 Posts: 5,878 ✭✭✭roosterman71


    The whole "buy a new EV instead of driving what you have" boils my piss. Firstly, buying a new car cost serious cash these days and it makes no sense for a huge amount of people to change from a functioning car (whatever type it is) to a new EV.

    Secondly, the EV being cheaper to run is also horseshit as the upfront cost in many cases is much higher. I'd a look on Volkswagon there and the cheapest Golf is from €32,595 while the cheapest equivalent EV, the ID.3 is from €42,965. That's over 10k in the difference. I'll be told now the tax is cheaper, but by ~€100 a year. A long time to make that up. Running costs will of course be less, how long will it take to make up ~10k in the difference?

    Post edited by roosterman71 on


  • Registered Users, Registered Users 2 Posts: 822 ✭✭✭Hey boy




  • Registered Users, Registered Users 2 Posts: 2,059 ✭✭✭Jizique


    Yes, was amazed to fiscover that the new 3008 will start at 40k for ICE and 50k for the BEV, in France, more subsidies will be needed, but 50k for a 3008 (even 40k) is insane



  • Registered Users, Registered Users 2 Posts: 755 ✭✭✭InAtFullBack


    Really? Burning turf and driving a diesel really has got up the wick of the greens these last few years.



  • Registered Users, Registered Users 2 Posts: 755 ✭✭✭InAtFullBack


    The quickest way to fix the rental market would be to start with reducing demand. Net migration into Ireland is heaping pressure on the availability and cost of housing and thus rents, not to mention increased pressure on education, healthcare and welfare provisions.

    Thats long before the environmental costs of migration into Ireland = more cars, increased traffic, more C02 emissions, more electricity generation, more pollution as sewerage systems are not able to cope, more demand on water services, increased tonnage going to landfill, increased demand for food, increased air travel as many new arrivals jet home to visit friends and family... and so on.

    It bewilders me how any genuine greenie can champion open borders but yet castigate the natives for having the audacity to hit out to Spain for a week to escape a crappy wet Irish Summer.



  • Registered Users, Registered Users 2 Posts: 1,649 ✭✭✭ps200306


    There isn't enough Uranium. And my infeasible comment was deliberately facetious.

    There's plenty of uranium. And plenty of other options too. There isn't enough minerals for greentech as currently envisaged. So you may have been facetious but you were nonetheless correct.

    It's not unfeasible to do something just because it's enormous in scale if it replaces something we're already doing that's on an even more enormous scale

    Unless the thing you're trying to introduce doesn't scale like the old stuff. And it doesn't.

    The Greens are flogging a dead horse. And when it doesn't work out they'll claim we weren't trying hard enough. And so they will double down until they either wreck the place, or are booted out for the charlatans they are.



  • Administrators, Social & Fun Moderators, Sports Moderators Posts: 78,443 Admin ✭✭✭✭✭Beasty


    kabakuyu threadbanned



  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,798 Mod ✭✭✭✭Capt'n Midnight


    There hasn't been a reactor completed in France since 1998. And last year output was half what it should have been.

    Since 1995 the USA started building five reactors So far three have been abandoned at great expense.

    Twelve years after the Tsunami Japan still has 80% of it's reactors offline. Most were unaffected but still offline.

    Germany abandoned nuclear power for political reasons. So did Italy.

    Using Russian or Chinese designs or money is at best a hostage to fortune. India is where Enron had a half built reactor valued way above it's actual condition of a radioactive ruin that was late abandoned. Also at best India and China will only be serving the domestic market for the foreseeable future.

    That pretty much covers most of global nuclear power apart from the snake-oil that is SMR's. Tench 94 is full of non-commercial SMR's. Hundreds have been in use since the 1950's. Non-commercial ones are still a pipe dream.


    Hydrocarbons can be made from fuel to energy. Germans were doing it in WWII. Ammonia could also be used like fossil fuel for large vehicles.

    Coke is used to provide thermal energy and an remove the oxygen. Hydrogen can do both too, though electrical reduction of iron similar to copper or aluminium would be a better option. Places like Iceland use renewables to win aluminium so it may get used more if steel gets more expensive. The amount of petrochemicals that are used for pharma is miniscule and at the very worst we could make from distillation of wood and other organics. Cement is a huge problem and alternatives that incorporate insulation should be used. Here we also could look at limestone bocks to replace bricks ?



  • Registered Users, Registered Users 2 Posts: 1,649 ✭✭✭ps200306


    Just came across another country as deluded as Ireland. Australia's plans for net zero by 2050 don't stack up. They have something like 55 GW of generating capacity right now. They plan to build 60 GW of utility solar, and 60 GW of rooftop solar. They'll generate hydrogen for storage and build a new pumped hydro facility called Snowy 2.0. Then, incredibly, they're going to have 45 GW of residential Tesla Powerwalls and EV batteries hooked up to the grid in a V2G system.

    A recent review of their plans noted that they had forgotten to cost the huge amount of new transmission that they're going to need. People are enthusiastically installing rooftop solar, but the return on investment is reducing as the utilities have to charge more for power to service customers who only use electricity at peak times, and get feed-in tariffs for producing lots of solar power when it's not needed. Nobody is sure if the V2G will work so that people's car batteries are charged when they need them, but are still available to buffer the grid at peak times.

    Sounds like another case of pure hopium.



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  • Registered Users, Registered Users 2 Posts: 24,549 ✭✭✭✭Kermit.de.frog


    The UK government is well on the way to reversing the so obviously damaging measures to ordinary people promoted by the climate lobby.

    Good to see the initiatives over there confronting and reversing some of the madness and the same will happen here.



  • Posts: 15,362 ✭✭✭✭ [Deleted User]


    I know some here follow opinion polls closely. Latest one shows SF, GP and Aontu are all up, FF, FG, SD are all down


    RTE news : Sinn Féin remain most popular party, poll suggests


    Personally I don't put much stock in polls, there's really only 1 poll that matters



  • Registered Users, Registered Users 2 Posts: 3,271 ✭✭✭patnor1011


    I wonder where they are going to get all minerals needed for that solar and battery storage. Probably opening couple hundred more mines in some countries out of sight. Sure, as long as they stay somewhere in Africa we are golden and can congratulate ourselves for our valiant efforts in saving the planet for future generations. Someone think about the children!

    Meanwhile, constantly leaking carcinogenic harmfull lubrication oils from all those beautifull windmills are blowing across our land and seas. But hey, as long as useless eaters cant see it they should shut up and enjoy daily dose of micro cancer particles spray.



  • Posts: 0 [Deleted User]


    So driving a ICE doesn't involve mining, that's news to me.

    Post edited by [Deleted User] on


  • Registered Users, Registered Users 2 Posts: 1,649 ✭✭✭ps200306


    That pretty much covers most of global nuclear power...

    On your regular tirades against nuclear, you never say whether you think the problems with this power source are inherent in the design? Certainly nuclear has been beset by long delays and high costs. But you never seem to have any interest in whether these issues can be fixed. Most nuclear advocates believe the solutions are design standardisation and regulatory streamlining.

    Given that renewables can't work, do you have any other low-carbon alternatives?



  • Registered Users, Registered Users 2 Posts: 14,886 ✭✭✭✭Thelonious Monk


    You know your phone or laptop that you're posting on boards with requires these minerals too?

    And pretty much everything you buy is causing pollution somewhere.

    Where do you get your clothes? Massive polluter.

    Or is only when it comes to green energy and EVs that you're concerned about sustainability?



  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,798 Mod ✭✭✭✭Capt'n Midnight


    GLOBAL lubricant consumption in the wind energy sector is estimated to be between 35 kilotonnes to 40 kilotonnes in 2015. That's about 3% of the 1,461 ktoe of wind energy produced in Ireland in 2019.

    Most of those lubricants will be sealed in long service intervals of 7-10 years. Which suggests against leaks.

    As turbine oil isn't subject to the same sort of heat and combustion and combustion products as motor oil it's not going to be anywhere near as carcinogenic.


    Technology marches on. You can get recyclable turbine blades etc.

    Solar cells keep getting cheaper in real terms. Silicon is being chased by extremely thin film cells waiting to be commercialised which use very little material, there's also cells that use cheaper materials and dye based cells that can be printed with inkjets. (IMHO Perovskite will continue in development hell until they can work for decades rather than months.)


    A reminder that while the hydrogen storage scheme the ESB are looking is only 40% efficient it's to use surplus renewables would only be going to waste. More importantly it's equivalent to the entire global production of lithium batteries in the last decade.



  • Registered Users, Registered Users 2 Posts: 1,414 ✭✭✭riddles


    But you can’t say that the solution lies in **** cows and replacing diesel cars and reducing people to live in cold houses. The woke / green agenda fails at the start as they fail to frame the problems correctly. We get platitudes and virtue signalling as the proposed solutions are largely BS.



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  • Posts: 0 [Deleted User]


    How is advocating upgrading houses with insulation and PV and heat pumps advocating for cold homes ? It's the opposite.



  • Registered Users, Registered Users 2 Posts: 755 ✭✭✭InAtFullBack


    Just Stop Oil.

    Yeah, like right now, in the middle of your flight!



  • Registered Users, Registered Users 2 Posts: 6,039 ✭✭✭creedp




  • Posts: 0 [Deleted User]


    It's not anger, your a big boy now so make some big boy decisions for yourself. You really imagine I care what you choose to do ? Just to be clear the response was to someone accusing me of dictating choices to them - show me where I have dictated anyones choices.

    Just grow up.



  • Registered Users, Registered Users 2 Posts: 596 ✭✭✭deholleboom


    I had thought of responding to some of the assumptions/assertions in his biased post (capt midnight) but there are some clear red flags so i didnt bother.

    Using the word Hydrogen is one of them. It is futile to argue w a person who ignores the full picture and is on the road of 'technology will solve the problems' concerning green tech while AT THE SAME TIME playing down tech advances on anything to do with oil and nuclear and ignoring the role of politics.

    It is clear he wants to play the role of witness for the prosecution in an imaginary court without a judge. Well, the witnesses in the other side are piling up over time. You can only spread mis- and disinformation for so long.

    We have seen it on Covid18 measures. We are seeing it in regards to Ukraine and w the climate debate.

    Reality hurts..



  • Registered Users, Registered Users 2 Posts: 1,554 ✭✭✭KildareP


    It's this thread down to a tee.

    Nuclear is a big no because:

    • limited resources such as copper and lithium uranium to use for production/fuel
    • 30GW offshore wind a single digit multi GW reactor is "too big" for our grid to handle
    • the concept of grid scale hydrogen storage has very promising prospects and Ireland could be the pioneers in that regard nuclear SMR's are only in concept stage at this point and not proven at scale so should not be considered full stop
    • we can use excess available renewable generation to produce hydrogen for storage we simply couldn't manage the excess nuclear energy produced when supply exceeds demand
    • if we install "enough" wind then there'll always be wind somewhere we need multiple reactors for backup as all-eggs-in-one-basket is far too risky, doesn't make any sense
    • we could become the pioneers of an all renewable grid in Europe we don't have a nuclear industry
    • we can't afford not to pay whatever is needed to get to 100% renewables the costs are far too unpredictable to make nuclear in any way viable
    • we can make use of storage and interconnection during those extended periods of cold, still weather or when the wind is too strong for turbines to safely operate nuclear plants (like any other thermal plant) don't work well in extremes of weather (that we typically get) so should not be considered as an option.




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  • Posts: 0 [Deleted User]


    Framing is a wonderful thing. You can attempt to screw an argument any way you wish if you frame it in a clever enough way.

    Green hydrogen is not a real contender despite what the government may imagine, it's an unnecessary expensive distraction only suitable for niche applications. By focusing on hydrogen as a critic of renewables ignores the reality that greentech is diverse, evolving and in production at a massive scale. Batteries are advancing in efficiency, capacity and chemistry every year - they are the future. New generations of batteries are removing the rare minerals from their chemistry driving down manufacturing costs.

    Meanwhile there are literally a handful of nuclear power plant manufacturers, and for reasons of complexity and security this will always be the case. The chances of them been able to ramp up production to meet our climate needs are vanishingly small. Every single project is beset with delays, complexities and massive cost overruns. Coupled to this those who cry about the damage done by rare earth minerals mining are happy to see mining for one of the rarest and most polluting minerals imaginable - uranium. On top of this, uranium is a finite resource with a peak supply curve that will see it become increasingly scarce and expensive in the future - especially given the proposed ramp up in demand to supply this new fleet of reactors. Then there is the totally unproven technology of fast breeder reactors who are supposed to solve all these issues.

    As I have said before nuclear is the answer for people who don't think there is a climate crisis to solve. It is dead because fortunately policy makes do see the insurmountable issues it faces and why it cannot address the climate crisis in a timely enough period to be useful.



  • Registered Users, Registered Users 2 Posts: 1,554 ✭✭✭KildareP


    It's not framing to put what happens regularly on this thread side-by-side, it's comparing two different energy sources through the same set of criteria. That you're trying to summarise that as some sort of climate denying exercise starts to show that this is not about logic and reason at all, nor does it appear it's ultimately about reducing climate-changing emissions as quickly as we can. At the end of the day what's being argued here is the input energy source and:

    • Either our grid can safely take tens of gigawatts of (what would ultimately be excess) energy at a given time or it can't
    • Either hydrogen and BESS are suitable as intermediary storage mediums to bridge gaps or they're absolutely awful unthinkable concepts
    • Either we are happy to build our grid's future on a mere concept or we're not
    • Either we're collectively happy to write a blank cheque to get where we want to be at any costs or we're not.

    And if, just by changing the input energy source, you get two completely opposing outcomes from the exact same set of criteria, then I can't think of a better word than you have put it - framing - because it's certainly not an argument made on the basis of logic or reason and neither is it a cause where reducing climate change is the sole focus.



  • Registered Users, Registered Users 2 Posts: 5,878 ✭✭✭roosterman71


    Is this the start of the dip in EV sales as the incentives are being phased out?

    I see VW are now offering 0% finance on their EV range in an effort to boost sales



  • Posts: 0 [Deleted User]


    The problem is even if your two choices were equal nuclear cannot address our climate issues in a reasonable timeframe. It a none runner.



  • Registered Users, Registered Users 2 Posts: 1,554 ✭✭✭KildareP


    There is absolutely nothing to suggest there is any guarantee renewables can do so either. Thus, under your criteria, renewables are a non-runner also.



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  • Posts: 0 [Deleted User]


    Renewables are incremental and cumulative, they start saving emissions the day they are brought online and since new projects can be brought on line in a year or two they contribute to a progressive reduction in national emissions. There is no need to wait 20 years before they start reducing our emissions as there is with nuclear.

    When you have only a few decades to make a significant difference you cannot afford to wait decades for the first watts of carbon neutral electricity to come online.



  • Registered Users, Registered Users 2 Posts: 6,039 ✭✭✭creedp


    I have made my choices and am happy Im doing my best in the context of available and affordable choices and my many competing priorities. IMO this pulpit banging and preaching fire and brimestone to those who dont strictly adhere to a prescribed doctrine does more harm than good unless youre going to take the ultimate big stick approach and ban everything you don't like. Likelihood of success?



  • Registered Users, Registered Users 2 Posts: 596 ✭✭✭deholleboom


    Yes. It has pointed out again and again: if you assume a neutral position and leave out the debate about a climate emergency for a moment and just focus on inputs, outputs, existing and possible future technologies, no system engineer, energy analyst would ever present a scheme in which you would upscale inefficient technologies to replace efficient ones. Your proposal, paper, system will be analysed and rejected by all the proper experts in their field, just like a faulty design of say a bridge. It will collapse.

    So; in order for nonsense to proceed you need a: an emergency, b: constant alarm and c: a fascist type of system in which the state colludes with the media to put down any resistance. It needs a solid, reliable wall that can withstand pressure.

    Well folks, cracks have appeared. The light of truth is getting in. Over time the cracks will turn to gaping holes for everyone to see. The alarmists are panicking and want/need ironclad laws and compliance mechanisms. But reality bites. Doubt will undermine them. Many people are now on the 'not sure about climate alarm' list. Putting them down as 'victims of far right conspiracy theorists'and 'climate change deniers' might play well in their circle of friends but will simply irritate most people as it should. The climate has already dropped down the list of important issues. The alarmists fascist state will not happen. Wake up!



  • Registered Users, Registered Users 2 Posts: 22,854 ✭✭✭✭Akrasia


    This is a very crude calculation TBH. Just getting the CO2 emissions from directly burning the fuel in the car, is only some of the CO2 it takes to explore, extract, refine and transport the fuel for each car.

    You can add an additional 30% to the CO2 emissions for every litre of fuel burnt during the lifetime of the vehicle for the extraction and processing of the fuel before it gets to the car.

    https://innovationorigins.com/en/producing-gasoline-and-diesel-emits-more-co2-than-we-thought/

    And that doesn't include the more esoteric emissions, like the wars that are fought to secure oil supplies releasing billions of tonnes of CO2 in the process, or the methane that leaks from old oil and gas wells for centuries after the wells are shut down because they're no longer profitable.

    Again, it is all down to how many miles a car is driven. With ICE cars, the more miles the car is driven, the more emissions it will emit, so it is better to get the high milage users off ICE and onto BEVs as the first priority. With BEVs, most of the emissions are in the manufacturing and recycling phase, so it is better for low milage ICE owners to keep their ICE cars for longer, and allow the new BEVs to be driven by high milage users in the initial ramping up phase, with older less efficient ICE cars aging out as the BEV used market begins to mature, so that ultimaely, all vehicles will be zero emissions vehicles powered off fully renewable energy grids.

    This is why higher Fuel costs are the best way to migrate from ICE to BEV. It incentivises those who drive the most, to migrate first. They'll save a fortune in fuel and then they'll upgrade their vehicles as technology improves leaving those cars available to the used BEV market where they can replace old retiring ICE vehicles.



  • Registered Users, Registered Users 2 Posts: 22,854 ✭✭✭✭Akrasia


    Ah, yes, the 'Ireland Is full' argument

    How surprising to see it used by those on the anti climate action side of the debate.



  • Registered Users, Registered Users 2 Posts: 22,854 ✭✭✭✭Akrasia


    Thats a false dichotomy

    Most people are not in the market for a new car

    That's the same now as it has always been. When people are buying a new car, the choice is between a new BEV, or a new ICE car.

    While the BEV may cost more upfront the cost of ownership is so much lower, that for anyone more than, say, 20k KMs per year, they'll save way more in running costs than they save in the lower upfront price for the ICE car.

    Now that there is finally some competition in the BEV market, the prices of new BEVs are coming down rapidly, and there are now perfectly good BEV options at reasonable price points with good range for any segment in the new car market.

    If you're not in the New car market, the Used car market is starting to see value too, with BEVs with usable range for most people now starting to breach the 10k price point for 6/7 year old cars



  • Registered Users, Registered Users 2 Posts: 6,039 ✭✭✭creedp


    Interesting that those on the other side of that artifical divide consider there is no accommodatuon crisis in Ireland. Own door accommodation available to all, please sign up



  • Administrators, Social & Fun Moderators, Sports Moderators Posts: 78,443 Admin ✭✭✭✭✭Beasty


    Threadban lifted after assurances provided over future posting



  • Posts: 15,362 ✭✭✭✭ [Deleted User]


    The Barryroe saga limps on

    RTE news : Goodman firm to inject up to €6.35m into Barryroe





  • Registered Users, Registered Users 2 Posts: 2,069 ✭✭✭ginger22




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  • Registered Users, Registered Users 2 Posts: 13,038 ✭✭✭✭machiavellianme




  • Registered Users, Registered Users 2 Posts: 2,009 ✭✭✭randomname2005


    Absolutely, agree with most of what you said. It is a very crude (oil) level calculation but just wanted to get the idea across that there will be cases where people replace an ice car with a Bev due to running costs and taxes, when it is not the best thing from an emissions perspective. We need to make sure we don't ramp up taxes so quickly that we indirectly force cars off the road before they come close to the breakeven point.



  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,798 Mod ✭✭✭✭Capt'n Midnight


    What tech advances in nuclear ??

    The new EPR's are ~15% more efficient (but way more expensive) than the previous generation that was competing with old-coal power stations. Back when those old-coal stations had around four times the emissions of modern CCGT plants.

    This means when old-coal was displaced by CCGT you are already getting 75% of the maximum possible emission saving nuclear could give. And that's a fictional nuclear that could load follow like CCGT and would be built on time.

    Check out how many nuclear countries still kept coal and only phased it out when gas got cheap. In that very real sense nuclear's ineffective at emissions reduction.

    Nuclear only provides ~10% of global electricity, less than the 14% incandescent bulbs used to use. Energy saving bulbs did more than nuclear will ever do.

    There's 90 years worth of uranium reserves left which will drop rapidly if you start using nuclear to provide more than the ~3% of primary energy it currently provides. We've been throwing money at breeding fuel in reactors since 1944 as in "we're low on copper, would you like 14,700 tons of silver ?" money and still only stretch existing fuel by a lot lower than unity and doing so requires massive amounts of reprocessing so don't expect plutonium or thorium to


    The technical advances in gas turbines apply to oil, gas, biogas and hydrogen. The big turbine makers say that by 2030 their big turbines will be able to run on pure hydrogen. You can buy smaller ones today or co-fire with natural gas.

    The technical advances in oil and gas extraction are a story of diminishing returns where a greater fraction of the fuel itself is used in the extraction. If fuel companies were taxed on the fuel that was consumed before it got to the pipelines there'd be a jump in prices. Things like underground fires / oil sands have huge overheads.


    Hydrogen is technically doable. Like I said 40% efficiency. It's rubbish. The main attraction is that it can provide months of grid scale storage.



  • Registered Users, Registered Users 2 Posts: 22,854 ✭✭✭✭Akrasia


    There is practically nobody in this country who does not feel housing is a huge issue in Ireland.

    Blaming immigration is just the lazy way of looking at the problem



  • Registered Users, Registered Users 2 Posts: 6,039 ✭✭✭creedp


    So we dont fix the serious under provision of housing for our existing population and choose to bury our heads in the sand with fingers jammed deep into our ears when any discussion on the impacts of significant immigration on that housing problem? Typical Irish solution to an actual real problem currently facing the residents of this little county of ours.



  • Registered Users, Registered Users 2 Posts: 596 ✭✭✭deholleboom


    Having read your post i feel we could go back and forth quite a few times. I give you points for coming up with some advantages for certain energy sources and disadvantages of others. But the bottom line for many green technologies remains a: that they actually do what they claim, b: are not based on some future use or technology that hasnt been proven yet, c: are both efficient AND make economic sense, d: are better than current energy sources, e: do not require a tripling, quadrupling of existing infra structure, f: can be applied at scale, g: do not totally depend on global supply chain flows and good economic prospects and finance.

    Ive probably left out a few. Some of these issues are shared with current technologies. There is no simple solution. But there ARE trade offs, costs and benefits. The way i see it: green tech will need to overcome most of the issues i highlighted above. In all likelyhood new green energy tech will continue to grow and develop. It can't currently or by 2050 replace the existing infrastructure. It will by default be an addition and not a replacement and most of it will focus on electricity. The real transition will happen much later and only when technologies are ready to be commonly applicable which is not the near future.

    Now, the elephant in the room is the issue of Climate change. If you think it warrants excessive alarm and that Co2 emission reduction is the key and that hydro carbons should be stopped asap you would want to make a rapid transition. However, in trying to force the issue the backlash will be so great that a proper transition is actually delayed. That is both the irony AND the tragedy. Goodwill is lost, suspicion enhanced. In general the Greens do not want to face this reality. They are so rigid and brittle they have become vulnerable when hitting a reality wall. They keep insisting on having the only (simplistic) answers to the complexity of what we are dealing with that they are increasingly becoming a laughing stock with all the doom and gloom, armageddon end of the world stuff.

    Anyway, i really did not want to write this post. And maybe i shouldnt have bothered..

    Edit: to add and finish w my own standpoint: anything related to climate is complex and the interaction of the variables is highly uncertain. The more you know the more uncertain it becomes. There is little evidence to support a sense of alarm as far as i can see and i think i see further than most. The science is by no means settled.

    My estimate is that in 2030 the current climate alarm will have died down, that the climate is more or less the same w no increase in storms, droughts, fires etc.

    I could of course be wrong. The alarmists just do not have the data to back them up. I take some comfort in that..



  • Posts: 15,362 ✭✭✭✭ [Deleted User]




  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,798 Mod ✭✭✭✭Capt'n Midnight


    d: are better than current energy sources, The problem in a nutshell is that we can't keep using the current energy sources. It's not an option.

    If CO2 emissions weren't an issue we could just go after the methane hydrates at the bottom of the oceans and under permafrost. Or do coal to gas.

    There are several tipping points for climate. Release of the above methane hydrates is one.


    Technically we could dump a load of fertilizer (iron salts) into the ocean to have an algae bloom take a lot of CO2 out of the air. Or inject SO2 into the stratosphere to cool the planet. Or pulverise rocks in central Asian deserts to take out the CO2.



  • Registered Users, Registered Users 2 Posts: 596 ✭✭✭deholleboom


    You use a lot of buzzwords: 'tipping points', a word popularised by Malcolm Gladwell, a facile word that should not be used in science.

    'We cant keep using the current energy sources. It's not an option'. Ok, because you say so? I mean, none of it? Some of it?

    And there it is: Co2 emissions. The key variable. The one that changes the Earth's 'thermostat'.

    End of..

    You should really watch some elementary physics videos..

    The words 'climate' and 'science' have a problematic relationship.

    Nitenite..



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  • Registered Users, Registered Users 2 Posts: 5,878 ✭✭✭roosterman71




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