>
> The "requirement" that nuke waste sites be "labeled" in such a
> way that hypothetical devolved civilizations 10000 years from
> now would be able to tell that they're dangerous is one that I
> find particularly objectionable...


It's largely political, but understandable, given the nature of the threat.
Kids have been hurt, finding radioactive capsuled from scrapped medical
equipment, very high level sources.  It would be bad if our decendants dug
into it and used it as religious ornaments or some such.. Mostly it's based
on the idea that a collapse is inevitable over that span, and they might not
be able to tell the hazard.


 I prefer to think of future
> humans as mining the waste sites for valuable radioactives used
> to power their spacecraft, and we don't treat ANY other environmental
> modifications with concern as to how they might impact future
> non-civilizations...


I suspect they will be mining our dumps for all kinds of things, and maybe
rather thankful to us for concentrating it so nicely for them.
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