From: "Geo" 

"John Beckett"  wrote
in message news:42aeb242.7241032{at}216.144.1.254...

> However, it is quite likely that human life requires a wide range of
> animal and plant life. I suppose you don't expect you will be in the
> select group chosen to live in the Star Trek space ships, where magic
> machines will generate food and recreation without animal and plant input.

During man's existence on this planet, the environment has changed
radically in many places. Lots of times this was the reason for man
migrating to a new place.

I see no reason to expect the changes are going to stop now just because
we've learned to make brick houses.

Geo.

--- BBBS/NT v4.01 Flag-5