http://www.newscientist.com/article/mg21328491.700-power-paradox-clean-might-not-be-green-forever.html
Power paradox: Clean might not be green forever
30 January 2012 by Anil Ananthaswamy and Michael Le Page
"Sagan used to preach to me, and I now preach to my students," says Chaisson, "that any intelligent civilisation on any planet will eventually have to use the energy of its parent star, exclusively." More specifically, they will be limited to the solar energy that is normally absorbed by their planet - anything extra, including space-based solar, is out.
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2 comments:
Problem is, as you well know, we are NOT a sane society.
You know, whenever I read Adam Smith, I can never understand how we mix rationality with insanity. I think it has to do with rationality on the short-short-term, and anything beyond 20 years or so (perhaps beyond our life expectancy) is totally nuts....
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