Easter Island, the Mayan ruins, and the abandoned pueblos of Chaco Canyon all stand as haunting monuments to extinct civilizations. Each of these societies collapsed because of man-made ecological disasters. Each confronted choices chillingly similar to the ones we face today. Are we living in the last century of our civilization? Many of the world's top scientists say yes, unless we quickly learn the lessons of the past. This two-hour special examines the current path of our modern world. Top U.S. Army, intelligence, and policymakers who have modeled a scenario of the next century say that if we continue on this trajectory, over the next hundred years the "perfect storm" of population growth, resource depletion, climate change, terrorism and disease will converge in an unstable world with catastrophic results. What lessons of the past must we heed to survive?moreless
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