David Eisenberg, of the Development Center for Appropriate
Technology, once wrote, "This reminds me of the argument I've heard
that embodied energy in a building is dwarfed by the operating energy
and so is insignificant and can be ignored. I think that the embodied
energy is typically quite significant by itself, meaning that
operating energy is enormously significant... in other words, I agree
that the ratio is important and we need to focus our actions where we
get the most effective results, but that doesn't justify ignoring
significant impacts because they are smaller relative to other impacts."
Mark Piepkorn
www.potkettleblack.com
Sometimes our light goes out but is blown into flame
by another human being. Each of us owes deepest thanks
to those who have rekindled this light.
- Albert Schweitzer
At 08:05 PM 8/15/2007, slurryguy wrote:
>Picture a papercrete builder that uses the worst source of cement,
>trucked half way across the country, and uses very cement rich
>mixes. Is this the worst possible scenario for Carbon Dioxide in
>papercrete construction?
>
>As long as that worst case builder builds a very energy efficient
>house, the TOTAL CO2 emmisions associated with that house over its
>life span will be minimal.
>
>Compare it to the horribly energy wasteful houses that are usually
>built. There are often megatons of carbon dioxide that are emitted
>to create the excess energy required to heat and cool standard homes.
>
>Why quibble over a few extra pounds or even a few thousand pounds of
>carbon dioxide compared to that?
>
>Keep perspective.
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