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Apologies if it's been posted before (I got lost in the numerous biofuel threads here), I found this site quite interesting:

http://journeytoforever.org/ethanol_energy.html

http://journeytoforev ...

Although getting a bit old, I found this paper extremely interesting:

http://www.world-nuclear.org/sym/1999/wilson.htm

Talks about the history of the fuel supply issue, breeder reactors, cost is ...

Vain hope that it will collapse? How about the inevitability that there will be a correction?

Why try and re-power an unsustainable system?

And finally, there is no current conceivable mult ...

The actual text of Gould's speech (April, 2005):

http://newsroom.slb.com/press/inside/article.cfm?ArticleID=213

Secondly, the industry is dealing with a phenomenon that is exaggerated by the l ...

I'm going to recycle the old fridge with PG&E. I bought a new one that supposedly will average 611 Kwh annually, a good enough improvement. I can definitely see the advantages of going with DC a ...

Here's another take on the same basic issue.

Suppose you have a decline rate R (e.g. R = 8%). This implies that production P asymtotically approaches 0 over an infinitely long time period. Cumula ...

So basically you're saying you think we're Fark.

Best,

Matt

I'm saying it appears the 8% decline number was either taken out of context or exaggerated for effect.

Any complete analysis ...

I've seen people throwing around alarmingly large depletion rate numbers lately. For example Simmons, using 8%, predicts we'll be down to 25 mbd by 2020. Is this at all plausible?

When I first st ...

Normal warming, or human-induced this time?

Does it matter? It's a disaster either way.

FWIW studies I've read suggest about 1/3 of net warming since the so-called little ice age is due to ...

Check out the material on this site, in particular this page:

http://www.theozonehole.com/europeanozone.htm

Upper atmospheric conditions in The Northern Hemisphere are becoming similar to thos ...

It's not like the price of uranium matters to nuclear power as a whole.

Couldn't have said it better myself. At some point the price will be high enough to make reprocessing irresistable. At so ...

Yeah, I read an article on the same thing a couple days ago.. Its wierd how tens of millions of people who could live anywhere in the US decided to live in a water deprived, geologically unstable, ...

BP's report quotes "reserves", not "resources". Reserves are by definition "economically produceable", so they are not EROEI negative. "Resources" would be 2x or 3x those numbers, because less than ...

What's the difference between going on the gold standard and just going back to barter? Gold is just a commodity like any other. By making it a standard all you do is eliminate the complication of t ...

My definition of economic growth can not be measured very easily with numbers and I'm quite certain there is a technical term for it but I just don't know it.

For example lets assume a steel mill ...