The level of the Caspian Sea is falling faster than ports, coastal cities, oil and gas infrastructure and environmental protection systems can adapt. Over the past five years, the sea has lost about one metre; over ten years, approximately 1.5 metres; and over 30 years, 2.5 metres. The current rate of retreat is estimated at 20–30 centimetres a year. For an enclosed body of water with no natural outlet to the world ocean, this is not an...

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The Caspian Basin

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