In round numbers, according to
http://www.odci.gov/cia/publications/factbook/print/xx.html
the world has a little over 500 million hectares of arable land,
which could produce approximate 100 Exajoules/yr if people starved.
However, the world uses over 400 Exajoules/yr.
Biomass, without genetic engineering, will not do, except for places
like Brazil.
Thus, the economic alternatives are:
* Reduce the use of energy by non-inventive means; that is to say,
get people to watch a Lucas film at home rather than drive a car
to a theater.
Since the poor tend to consume more energy intensive goods than
the rich, who consume financial services and the like (speaking of
the incremental increase and considering groups, not individuals),
this means attempting to prevent the poor from getting a little
richer.
In rich countries, the unemployed or underemployed non-rich
consume less.
In poor countries, successful efforts by rich countries to keep
them poor will cause them to consume less or at least, not more.
* Invent and innovate alternatives; that is to say, support
education, research, and development for the inventions, such as
cheaper-to-install insulation, and support new companies taking on
older more established companies for the innovations.
--
Robert J. Chassell
[EMAIL PROTECTED] GnuPG Key ID: 004B4AC8
http://www.rattlesnake.com http://www.teak.cc
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