[FoRK] peak coal
eugen at leitl.org
Tue Oct 27 12:54:19 PDT 2009
On Tue, Oct 27, 2009 at 11:22:42AM -0700, Ken Ganshirt @ Yahoo wrote:
> > http://www.pnas.org/content/103/5/1209.full
> Thanks for that. They did a good job of using plain language without detracting from the technical credibility.
I don't see any mention of ore richness going down
versus energy used for extraction going up. Including
EROEI for energy extraction itself, of course.
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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