X-Message-Number: 29234
Date: Sun, 4 Mar 2007 13:07:38 -0500 (EST)
From: Charles Platt <>
Subject: substitutes
References: <>

Mark Plus questions the availability of energy substitutes.
Obviously nuclear comes first, because it exists (the French
figured that out). O'Neill's solar power satellites were
thought of--30 years ago? So we already have two options that
are just waiting to be used when they become economically
comparable to fossil fuels. And Mark knows the more
speculative ones. Tar sands, some biomass, solar. Since there
is virtually no incentive right now to develop alternatives,
it's amazing that any exist at all.

Oh, and coal of course. There is a LOT of coal....

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