[ExI] Top Soil Depletion

[Keith Henson]

On Sat, Feb 10, 2024 at 10:18 AM <spike at rainier66.com> wrote:
>
> -----Original Message-----
> From: Keith Henson <hkeithhenson at gmail.com>
> Subject: Re: [ExI] Top Soil Depletion
>
> On Sat, Feb 10, 2024 at 8:54 AM spike jones via extropy-chat <extropy-chat at lists.extropy.org> wrote:
>
> snip
>
> >>... I have a vision of a sustainable world, with fewer but
> > better-cared-for and wealthier proles, perhaps a couple billion in
> > sustainable equilibrium, well-educated proles living comfortable, healthy, well-fed lives.
>
> >...For someone on this list, that's remarkably backward.  Space colonies would allow a thousand times the current population, It's hard to say how many uploading would accommodate, but it is certainly in the trillions.
>
> Keith
>
> Clarification Keith: I meant a coupla billion meat-world humans living 8 to 10 decade lives on this rock.

This seems unlikely.  If we get reversible uploading and the uploaded
state is a more enjoyable life, the physical state population will
collapse toward zero.  And why 8-10 decades?  If life extension
happens at all, why would it stop at 100 years?

Keith

>  I don't count space colonies in that 2E9 number, each of which must be self-sustaining, nor did I count uploads, for it is not clear how one counts those.
>
> spike
>