On Apr 6, 1:54 pm, "Michael Tobis" <[EMAIL PROTECTED]> wrote:
> ...
> Food is largely provided through extractive use of ground water.
World-wide? I doubt this. Data?
> ... but biofuel is
> water intensive.
That depends upon the particular biofuel and the particular
process. For example, biochar can be used as a fuel and no
water enters into the process, indeed the biomass has to be
dryed beforehand.
> ... that we have a big, complicated and quantitative problem.
I agree.
> ...something has to change in
> the way we think about things.
Solution is in one sense easy. It requires a sum of about
1--2% of the world's GDP.
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