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 »  Home  »  Blogs  »  Nuclear power and CO2
Nuclear power and CO2
By Green Living Tips | Published  05/5/2008

Nuclear power bugs me terribly - I don't believe it's the answer to our global warming woes. I think a lot of my reaction isn't based on science, but more on the fear of nuclear war while growing up and incidents like Chernobyl which is still a major threat two decades after the disaster; but there's something that just seems so inherently wrong about it.

Radiation poisoning aside, perhaps nuclear actually isn't the panacea its proponents would seem to tout from a carbon dioxide reduction point of view either.

It appears that the carbon dioxide emissions from the nuclear power industry are quite substantial and according to some Australian academics from Monash University, high-grade uranium ore, like oil, will become scarce, making the fuel less environmentally friendly and more costly to extract.

Creating sufficient grade uranium for power generation from lower-quality deposits involves increased mining and refining more ore. Even transporting increased levels of ore will mean more diesel-powered vehicles - a major source of greenhouse emissions in uranium mining. In addition to the increased CO2 issue, there will also be more contaminants around to poison and mar the environment.

As always, I maintain that much of the motivation behind these large scale and complex projects has very little to do with preserving the environment and more to do with control of the masses by government and big business, to whom the term "self sufficiency" equates to less profits. So many of us can capture the water we need, grow food and generate the power we require - but there's simply not enough money in that to sustain the machine of hyperconsumption.


 
Michael Bloch
Green Living Tips.com
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Comments

  • Comment #1 (Posted by Red Craig)

    Here's an article from "Psychology Today" you might find interesting: http://www.dailyherald.com/story/?id=184338&src=120. I invite you to read the whole article, but here's a snippet related to nuclear energy:

    "9. We love sunlight but fear nuclear power.

    The word radiation stirs thoughts of nuclear power, X-rays, and danger, so we shudder at the thought of erecting nuclear power plants in our neighborhoods. But every day we're bathed in radiation that has killed many more people than nuclear reactors: sunlight. It's hard for us to grasp the danger because sunlight feels so familiar and natural."

    I imagine your information about the Australian study comes from secondary sources. The study appears in the April 1 issue of the journal Environmental Science & Technology and it doesn't say anything like what this article describes. In fact, it shows that uranium supplies are holding steady. What the author concludes is, "In summary, the extent of economically recoverable uranium, although somewhat uncertain, is clearly linked to exploration effort, technology, and economics but is inextricably linked to environmental costs such as energy, water, and chemicals consumption, greenhouse gas emissions, and broader social issues. These crucial environmental aspects of resource extraction are only just beginning to be understood in the context of more complete life cycle analyses of the nuclear chain and other energy options. There still remains incomplete reporting however, especially in terms of data consistency among mines and site-specific data for numerous individual mines and mills, as well as the underlying factors controlling differences and variability. It is clear that there is a strong sensitivity of energy and water consumption and greenhouse gas emissions to ore grade, and that ore grades are likely to continue to decline gradually in the medium- to long-term. These issues are critical to understand in the current debate over nuclear power, greenhouse gas emissions, and climate change, especially with respect to ascribing sustainability to such activities as uranium mining and milling."


     
  • Comment #2 (Posted by jake3988)

    Read (It's probably on the website) from a couple months ago in Discover magazine entitled 'The Next Step'.

    Not only are nuclear power plants incredibly safe now but Uranium is insanely dense in its power. Just .07 cubic inches, about the size of the tip of your finger, is equivalent to 1780 pounds of coal. But to get an idea of how much coal we go through, even nuclear plants generate 2000 tons of waste. This as opposed to coal which generates 100 million tons of toxic waste. Which includes mercury amount other things.

    The only thing about nuclear that poses a problem is that to build a plant and get it up and running takes roughly a decade. So, it would take a very long time. Also, uranium is man-made...

    There's ups and downs to just about anything. But they're almost all exponentially better than what we're replacing.
     
  • Comment #3 (Posted by Michael - Green Living Tips)

    Thanks for sharing your thoughts guys :). I'll probably remain a nukaphobe for quite a while yet tho' as I have a horrid feeling we'll be swapping the witch for the bi***. There's quite a few other issues that disturb me about nuclear power aside from the Chernobyl type stuff - water consumption being one of them and the effects of water output on surrounding ecosystems. Jake, I certainly see your point, but for me; getting away from Da Man when it comes to power is a greater goal to pursue. It cultivates appreciation of the light I have on and makes me more aware of what I consume. But realistically, not everyone can or will ever be able to do it - I understand that.
     
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