Collapse

00:00:10 NARRATOR: lt was the greatest civilization in history.

00:04:37 Diamond investigates what became of the Anasazi

00:08:07 Chaco's irrigation systems are a marvel of the pueblo world.

00:12:06 are the modern descendants of the Anasazi.

00:17:08 the levels of the reservoir were dropping.

00:21:13 drought and increasing competition for water

00:25:01 On the outskirts of an abandoned California suburb

00:28:39 ln the coliseums of ancient Rome...

00:34:16 The fact that we can afford the military that we have

00:38:14 and then channeled that wealth back into further expansion.

00:43:30 was doubling nearly every year.

00:47:28 But were we doing enough?

00:52:05 and then his right hand is holding a spear.

00:55:15 one that may have fractured their civilization.

00:59:58 Sampling the residue of our soil and crops

01:04:41 But all our wizardry may not have been enough

01:08:27 humans have always been one of the most adaptable of species--

01:12:06 and hopefully some decision-making is about to happen.

01:15:48 the Romans may have been asking themselves that same question.

01:20:15 Rome soon becomes a city of palaces amidst a sea of slums.

01:24:20 but realize that like the Romans, Maya, and Anasazi

01:28:03 only a small fraction of the population had much information.

01:31:28 we have the power to chart a more sustainable course.

100:00:00 moved into the area each year.