The First World World

If all countries were like America, with massive use of technology, industrialization, health care, government, transportation, education, and all other aspects of a first world country, what would happen?  What would go wrong?  How long could such a world sustain itself before resulting in chaos, overpopulation, war, famine, pestilence, and all kinds of destruction of the environment?

>>12
Actually, that sounds a lot like some sort of frankenstenian ancient greece.  Full of thinkers who don't actually produce anything.  Only they were cutting edge, ours are well, teh suck.