View Poll Results: What do you think of these proposals to cool the earth?

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  • I like them. This would save the taxpayers a huge amount of money and also save the earth.

    13 38.24%
  • I don't think these proposals are technologically feasible.

    10 29.41%
  • We shouldn't be messing around with the climate; who knows what might happen?

    12 35.29%
  • We should pass legislation to cap and/or tax carbon dioxide emissions.

    6 17.65%
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Thread: Cheap ways to cool the earth

  1. #41
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by Kandahar View Post
    Two factories belching sulfur dioxide into the stratosphere - one in the Northern Hemisphere and one in the Southern Hemisphere - would be sufficient to mimic the effect of a large volcanic eruption like Mount Pinatubo.
    I believe this is a false assertion; but would be happy to see credible evidence to support such a contention.

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    Re: Cheap ways to cool the earth

    Quote Originally Posted by Truth Detector View Post
    I believe this is a false assertion; but would be happy to see credible evidence to support such a contention.
    Ummmm - just what do the "SO2 is good" crowd suggest we do to mitigate the acid rain?
    Greenhouse gases: Any gas that, by an accident of chemistry, happens to absorb radiation of a type that the Earth, by an accident of history, would like to lose.
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by bowerbird View Post
    Ummmm - just what do the "SO2 is good" crowd
    Got hyperbole? I haven't seen anyone make this argument but thank you for attempting to fabricate arguments where none have been made.

    Quote Originally Posted by bowerbird View Post
    ....suggest we do to mitigate the acid rain?
    What does acid rain have to do with this topic?

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    Re: Cheap ways to cool the earth

    Quote Originally Posted by Truth Detector View Post
    Got hyperbole? I haven't seen anyone make this argument but thank you for attempting to fabricate arguments where none have been made.



    What does acid rain have to do with this topic?

    H2O +SO2 + O(-) --> H2SO4 (sulfuric acid)

    This is a simplification of the reaction; however sulfuric acid falling form the sky = acid rain.

    edit:
    I have not looked at the actual proposal presented in sufficient detail other than in this thread, however the stratosphere I would think would have significantly less water vapor to fuel this reaction in comparison to the troposphere.
    Last edited by marduc; 11-02-09 at 05:47 PM.
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  5. #45
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by Truth Detector View Post
    I believe this is a false assertion; but would be happy to see credible evidence to support such a contention.
    http://delong.typepad.com/files/supe...-chapter-5.pdf
    (Reproduced with the author's permission.)

    Page 192-196 is where the book discusses the amount of sulfur dioxide needed to mimic a volcanic eruption.
    Last edited by Kandahar; 11-02-09 at 05:36 PM.
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  6. #46
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by Truth Detector View Post
    Got hyperbole? I haven't seen anyone make this argument but thank you for attempting to fabricate arguments where none have been made.



    What does acid rain have to do with this topic?
    Hyperbole huh? Let us look at the OP again

    Quote Originally Posted by Kandahar View Post
    I just finished reading Superfreakonomics, the sequel to Freakonomics, and the authors have some very interesting ideas for how to reverse global warming WITHOUT spending a fortune to do so.

    - Spray sulfur dioxide into the stratosphere through a super-tall smokestack. It would essentially be a hose that was miles long, held together with balloons. It could be attached to a factory's normal smokestacks, which would ejects its sulfur dioxide waste into the stratosphere (several miles up) instead of the troposphere (the near-surface air). A single hose on each of a mere two factories - one in the Northern Hemisphere and one in the Southern Hemisphere - would be sufficient. This would mirror the effect of a relatively large volcanic eruption like Mount Pinatubo, and would cool the earth by a couple degrees. TOTAL COST: $20 million in startup, $10 million per year.

    - A fleet of wind-powered boats which sit in the ocean, and have underwater turbines to fling sea water into the atmosphere and create clouds. The white clouds, unlike the black ocean, would reflect sunlight and cool the earth by a couple degrees. TOTAL COST: A few billion dollars total.

    What do you guys think? The technology for these already exists, and it would be much cheaper than the hundreds of billions we'd need to spend EVERY YEAR on climate change legislation. The scientists seem to think that these proposals are perfectly safe and feasible, but if they produced any unintended environmental consequences, the machines could easily be shut off and any damages would be reversed within a couple years.
    So you see there is a suggestion that we could mitigate one problem by adding another.

    Seriously - did not one person on this thread actually google SO2 and global warming?
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  7. #47
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by bowerbird View Post
    Ummmm - just what do the "SO2 is good" crowd suggest we do to mitigate the acid rain?
    The quantity of sulfur dioxide emitted into the stratosphere would not really be enough to be a significant problem. Furthermore, the hoses to get the SO2 into the stratosphere instead of the troposphere could be attached to existing factories, which means that there wouldn't be any more total SO2 than there would have otherwise been anyway. It would just be going higher into the atmosphere.
    Last edited by Kandahar; 11-02-09 at 05:40 PM.
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by bowerbird View Post
    So you see there is a suggestion that we could mitigate one problem by adding another.
    What problem is that? And would the new problem be as severe?
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  9. #49
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    Re: Cheap ways to cool the earth

    Quote Originally Posted by Kandahar View Post
    Two factories belching sulfur dioxide into the stratosphere - one in the Northern Hemisphere and one in the Southern Hemisphere - would be sufficient to mimic the effect of a large volcanic eruption like Mount Pinatubo.
    Just what kind of factories would that be?

    In addition to the ash, Mount Pinatubo ejected between 15 and 30 million tons of sulfur dioxide gas. Sulfur dioxide in the atmosphere mixes with water and oxygen in the atmosphere to become sulfuric acid, which in turn triggers ozone depletion. Over 90% of the material released from the volcano was ejected during the nine hour eruption of June 15.
    Mount Pinatubo Eruption

    And how many thousands of years are you talking about?

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    Re: Cheap ways to cool the earth

    Quote Originally Posted by marduc View Post
    H2O +SO2 + O(-) --> H2SO4 (sulfuric acid)

    This is a simplification of the reaction; however sulfuric acid falling form the sky = acid rain.

    edit:
    I have not looked at the actual proposal presented in sufficient detail other than in this thread, however the stratosphere I would think would have significantly less water vapor to fuel this reaction in comparison to the troposphere.
    What does this have to do with the thread topic and global warming?

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