Go over to National Public Radio and read this.
"Consider this, if you would: a network of far-flung, powerful,
high-tech civilizations closely tied by trade and diplomatic embassies;
an accelerating threat of climate change and its pressure on food
production; a rising wave of displaced populations ready to sweep across
and overwhelm developed nations.
that laundry list of impending doom could be aimed at our era, it's
actually a description of the world 3,000 years ago. It is humanity's
first "global" dark age as described by archaeologist and George
Washington University professor in his recent book ...."