To make any sense, then the H2 must be produced from either nuclear,
solar, wind or tidal energy sources. I wonder what it would takke to
pull that off?
--- In email@example.com
, "Mike Doran <mike@u...>"
> I wasn't ignoring you--just thought some time about your question.
> H2 should have a minimal impact on the biosphere in and of itself
> because there is already so much water vapor in the air. But the
> problem is that most H2 plans have fossil fuels as the fuel used to
> make the H2. To the extent that the fossil fuel use is reduced and
> H2 is made, say, from solar sources--it is less likely that this
> methadology would cause defects in living earth feedback loops.