Andrew: cc list
For biochar, add the concepts of internal rate of return (IRR) and
recommended analysis time period (30 years? 100 years?) (as a few of the
needed extra parameters, for given types of soil, climate, species, etc).
First cost is not the right parameter.
> On Feb 4, 2018, at 5:28 AM, Andrew Lockley <andrew.lock...@gmail.com> wrote:
> I'm designing a survey on attitudes to CE, and I'm trying to simplify the
> costs estimates by making it per person per year. I've put $1 for SRM and
> $100 for CDR - but it occurs to me that this is really very complicated. Has
> anyone done any proper research on this? I can't find anything...
> Typically, SRM is costed on a program basis (bn/yr globally) but CDR is
> costed per tonne (and volumes are highly variable).
> Issues to roll into this calculation are
> * population growth
> * future emissions (CDR gets a lot more expensive, if you're still emitting)
> * whether temperature stabilises or reduces - and how fast
> * experience/cost curve for each approach
> * how much heterogeneity to expect (it's likely impractical to expect only a
> single CDR to do everything)
> There are probably other factors. This strikes me as something that's
> sufficiently useful to be worked up into a paper.
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