Global water reservoir volumes decline despite construction boom - study | Business

📆 18.06.2023 20:45:00
📰 News24

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Global reservoir volumes fell during the last 20 years despite a construction boom that drove up storage capacity, a new study showed on Tuesday, suggesting that new dams will not be enough to solve growing strain on the world's water supplies.

Alex Zea/Europa Press

Satellite data showed that water sequestered in 7 245 reservoirs across the world fell from 1999 to 2018, despite a 28 cubic kilometre annual increase in capacity, a study published by Nature Communications said. The study did not account for the impact of sedimentation, a persistent problem that is predicted to cut storage capacity by a quarter by 2050, according to a January paper by the United Nations University.

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