Actually much more recently.
Biosphere II : about halfway between Phoenix and Tucson, Arizona USA. Built in '90 (?) The two year habitation experiment began in 1991. Sorry i dont have a reference for the data/conclusions, but there were major problems with it. The project eventually went bankrupt and was bought by Columbia University which now owns and operates it as a research fdacility.
> -----Original Message-----
> From: O'Regan, Emlyn [SMTP:Emlyn.ORegan@actew.com.au]
> Sent: Tuesday, June 08, 1999 7:04 PM
> To: 'extropians@extropy.com'
> Subject: Biosphere?
>
> Now for ten points...
>
> In a discussion recently the topic came up about an experiment in the US
> which involved a sealed mini-ecosystem replete with people, to see if the
> closed system was viable, or for how long, or something like that. Was
> this
> kicked off in the 70s?
>
> Obviously my memory of this thing is quite poor. Does anyone have any
> recollection? I can't really look it up on the net, because I can't
> remember
> what it was called (subject line is my best guess).
>
> (It came up related to living in Canberra, Australia (the nation's
> capital!!!). It's the cultural version of the above closed system
> experiment
> in my opinion, and I think the entropy has increased beyond the ability to
> sustain a human (intellectual) life).
>
> Emlyn aka Death Lord Zod