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Ozone layer faces record loss over Arctic

Discussion in 'Off-Topic' started by KMRblue1027, Apr 5, 2011.

  1. KMRblue1027

    KMRblue1027 The Crown!

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    From AP (Via Yahoo)

    After this evidence will people finally stop denying the destruction of the planet?
     
  2. Ajidica

    Ajidica High Quality Person

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    But Global Warming is just a theory and theories can be wrong, like evolution. Plus, it has been a very cold winter. How can it be getting warmer? Darn eco-hippies.
     
  3. JollyRoger

    JollyRoger Slippin' Jimmy Supporter

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    God is removing some protection because of his hatred of some group or other.
     
  4. innonimatu

    innonimatu Deity

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    Yes, I deny it. That piece was a pathetic collection of half-truths stitched together to make some more propaganda about "global warming". The planet is still fine and beyond humanity's power to destroy. We're not even close to destroying the human race (edit: nuclear power apart), much less "the planet".

    Ozone is not "lost" during winter, it's not some element which is leaving Earth's atmosphere. It's formed and destroyed depending on local conditions, subject to seasonal variations. The seasonal shift is perfectly natural. The text implicitly admits as much in "Arctic ozone conditions vary more than the seasonal ozone hole that forms high in the stratosphere near the South Pole each winter and spring", then it goes one to repeatedly use the words "loss" and "depletion" in order to misguide uninformed readers.
    The "permanent" average lowering of ozone concentrations - a shift in the chemical equilibrium of oxygen compounds in the atmosphere - was (as far as we have modeled it) due to chemicals which have been banned. And the extent of this reduction is still disputed. I wouldn't be surprised it years from now (when the people involved have retired...) it turned out that the whole thing had been a much exaggerated scare. We had very few years of data about ozone concentrations in the atmosphere to compare with, but that small sample was assumed to be the "normal" and desirable condition for the models.
     
  5. GoodGame

    GoodGame Red, White, & Blue, baby!

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    I don't think anyone still challenges the ozone layer destruction.
     
  6. carmen510

    carmen510 Deity

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  7. Eat_Up_Martha

    Eat_Up_Martha Prince

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    Not really a big deal. The article itself points out that the ozone is still on its way to recovery and that this wasn't exactly unexpected.
     
  8. Mr. Dictator

    Mr. Dictator A Chain-Smoking Fox

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    Its true, God is a Catholic.
     
  9. GoodGame

    GoodGame Red, White, & Blue, baby!

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    But in the context of human history, naysaying of the link between CFCs and ozone layer destruction was well denounced. Your article is about the state of the ozone layer, not about the cause of destruction.

    This is what I meant:

    http://www.huppi.com/kangaroo/L-ozone.htm

     
  10. El_Machinae

    El_Machinae Colour vision since 2018 Retired Moderator

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    Well, ozone is going to cycle. Efforts to mitigate its loss can be enacted, and then we can expect some ozone recovery.

    It's biodiversity that I worry about. Extinctions are tough to undo.
     
  11. blac

    blac Warlord

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    It may be a theory but so is every other aspect of science. Nothing is ever 100% sure. Global warming is around 95% sure, which is way higher then a lot of theories.

    Also even if global warming ever happens, we still have to prepare to live in a post-carbon economy is about 40-50. Oil is being more pricey because there is less of it. Why not invest in renewable energy sources now so when we do run out of oil we will be ready for it. China is investing $190 billion in RE sources, and they will be so far ahead of everyone in the west because of it unless we start investing soon...
     
  12. Tee Kay

    Tee Kay Justice guaranteed

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    The internet, your computer and this website are all products based on scientific theories.

    So yeah.
     
  13. blac

    blac Warlord

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    Alright well this is what I've been thought by scientists at university. Science isn't 100% sure due to things like quantum mechanics, and all sorts of weird things we don't really understand. This is what I've been thought in university and it was in my textbook so I'm pretty sure its true
     
  14. BasketCase

    BasketCase Username sez it all

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    Nope. Your own article contained the reason why. I'm sure you did read the following part, you just glossed over it because it's.....here comes the Al Gore snipe.....an inconvenient truth:

    Sez it right there. Cold temperatures destroy ozone. Which is also a possible reason to worry about efforts to control global warming: a cooler planet will probably have a larger ozone hole.

    On the side, there's really two reasons for the ozone hole. Here's the second one: ozone is diamagnetic. It's repelled by magnetic fields--and Earth's magnetic field is strongest at the poles. So naturally the poles are where the holes are going to be.
     
  15. warpus

    warpus In pork I trust

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    Even if the changes in the ozone layer are mostly caused by natural phenomena scientists should continue to study this stuff. We need an ozone layer and whatever is making it deplete to significant enough levels should be a cause for alarm - whether we influence it or not.

    The article says "unprecedented" levels, so that seems important enough to me. Who cares if it's not because of our pollution?
     
  16. Berzerker

    Berzerker Deity

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    :goodjob: Inn & BC
     
  17. BasketCase

    BasketCase Username sez it all

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    And a :goodjob: for warpus. Always study stuff. Always learn stuff.

    And maybe log the hell off CFC now and then and do something productive. Hell, tonight I finally got that "Psionic Death" achievement in StarCraft 2! :clap:
     
  18. Berzerker

    Berzerker Deity

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    so, does this mean ozone levels drop during ice ages and cold snaps?
     
  19. BasketCase

    BasketCase Username sez it all

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    Probably. High humidity also destroys ozone. Further, ozone is more unstable at higher concentrations (which is to say, even more unstable than it already is!) meaning that closing the ozone hole merely causes the gas to decay faster.

    The stuff is extremely flighty.
     
  20. Truthy

    Truthy Chatbot

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    I would like it if someone would post an "Ask a Republican" thread. Question one: what is the purpose of "inventing" global warming?
     

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