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Sustainable?

NortonH
in Science News

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http://www.citigroup.com/citi/news/2015/150218a.htm

 

If it has to have $100Bn poured in then it is really sustainable?

It is a bit like filling the car with a full tank of petrol and then claiming it is running without fuel...until the fuel runs out.

That $100Bn represents energy being added to the 'sustainable' system. Energy produced by fossil fuels.

If the system is running by itself after 10 years AND is able to produce a big enough surplus to provide for its replacement AND pay back the capital it absorbed then it counts as sustainable. Otherwise I cannot see how it qualifies.

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