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H20: The Molecule That Made Us
Civilizations
Travel into the past to see how water may have driven our own evolution — and created civilizations. But can the Earth's water supplies guarantee our future?
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54:36
Earth's changing water cycle — and a globalized movement towards water for profit — is forcing changes in humans' reliance on water. Can a geopolitical crisis be averted?
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54:36
How did water arrive on Earth? How did it come to underpin every aspect of existence from dragonflies to deserts in bloom to human life? Dive in!