Probably old but it mentions Civilization.
http://www.shibe.com/end/

For awhile I thought this would be about the Apocalypse. ;)

It's true though, it's 3:00 AM here, I should go to bed.

here's a similar one: http://www.shibumi.org/eoti.htm

Oh no, not another moralizing site... :lol:

I dislike sites that tell me what to do