In 1980, the Soviet Union dammed a Caspian Lagoon to save water; it nearly vanished within three years, and salt-laden dust storms followed

At the beginning of the 1980s, an enormous lagoon on the eastern coast of the Caspian Sea nearly vanished after the Soviet Union built a dam to stop water from entering it. Within just three years, the lagoon had almost completely dried up, triggering a cascade of environmental consequences.

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