--- In [email protected], Sal Sunshine <[EMAIL PROTECTED]> wrote: > > On Oct 17, 2006, at 1:01 AM, authfriend wrote: > > > Chart of the length of time it would take > > for all traces of human civilization to > > disappear if we all died tomorrow: > > > > http://www.treehugger.com/files/doom_1.php > > Fascinating. I wonder, though, when they say 1,000 years for stone, > brick and concrete buildings gone, do they mean turned to rubble or > completely disappeared? And how would that square with buildings > that have survived for millennia, like the Coliseum and the pyramids?
Dunno, I was wondering that myself. I think they mean turned to rubble, but buildings have survived as buildings far longer than that, as you say. Maybe modern buildings wouldn't, though. What gets me about the chart is how quickly the earth's ecosystem would repair itself after human beings were gone. To subscribe, send a message to: [EMAIL PROTECTED] Or go to: http://groups.yahoo.com/group/FairfieldLife/ and click 'Join This Group!' Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/FairfieldLife/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/FairfieldLife/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
