The Akkadians. The Maya. The Tang Dynasty of China. The Chaco. The Indus Civilization. These diverse societies, separated by oceans and continents, each persisted for hundreds of years. They had large cities, transcendent architecture, organized agriculture, and regional power. Yet each ultimately collapsed. Their downfalls all looked a little different, but they shared one simple yet foundational contributor: a lack of water. Whether due to drought, mismanagement, or a combination of the two, these civilizations ran dry and died. It is for this reason that recent news out of Iran should not be ignored.
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