[ExI] global warming again

[painlord2k at libero.it]

Il 15/03/2009 22.59, Keith Henson ha scritto:

> It doesn't matter.  Running out of cheap energy will kill billions
> long before either an ice age set in or the ice caps melt.

I'm not so sure of this.
First there is not a thing called "cheap energy".
I, also, don't know what is "cheap".

> One interesting point, the proposed carbon taxes in the US are more
> than enough to pay for space based solar power.

Is this before or after they pay for all bail outs and manager's 
bonuses? Do you have acconted for the public inefficiencies?


> Personally, I am agnostic about the effect of carbon on climate.  One
> thing is sure though, the oceans will become much more acid.

> 100 ppm of CO2 is about 1000 billion tons or close to 1000 cubic km.
> We need to put in at least 30 TW to replace fossil fuels.  If we put
> in another 50 TW, that's enough that in 12 years we could convert 1000
> billion tons of CO2 back into synthetic oil and put it in old oil
> fields.

Do you ever think about the plant and how them need  CO2 to survive?

Mirco