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JUGGLING


                                             July 14, 2009

  Environmentalists always insist
  on "sustainability", but they often
  seem to have an implicit assumption          PEDDLING_SUSTAIN
  that the world is very static.

    Burning oil is not
    "sustainable", because the         Their vision of a "sustainable"
    supply of oil is finite.           industry is one based on
                                       the obviously "renewable"
                                       sources of energy, e.g. sunlight.

                                               These are also relatively
                                               low-grade sources of
                                               energy that take a
    But juggling between available             considerable amount of
    technologies might actually be             ingenuity to concentrate...
    sustainable
                                                  Implicit in most "sustainable"
    Burning oil while you can, and                views of the future is to
    then switching to something else              radically scale back
    when you can't might be entirely              consumption.
    workable.
                                                     (This is fine by me,
       It's difficult to prove it's                  personally, but good
       going to be workable, though:                 luck selling that to
       the idea that there will be                   Americans in general.)
       another resource, another
       technology at hand to
       continuing the juggling act
       may seem like a leap of faith.     Some people find
                                          such uncertainties
                                          distressing...
                                                           
                                          This is entirely      
                                          understandable.       
                                          But who can be        
                                          alive for long        
                                          without realizing     
                                          you need to learn     
                                          to live with          
                                          uncertainty?          
                                                                
                                                          What's peculiar
                                                          is that different
                                                          people from different
                                                          political camps are
                                                          distressed by
                                                          different *kinds*
                                                          of uncertainty.




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