Sediment buildup at dams ‘endangers’ water supplies: UN study – Fri, January 13 2023
Written by on January 13, 2023
Rochelle Gluzman (Agence France-Presse) (The Jakarta Post)
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Fri, January 13 2023
Thousands of the world’s large dams were so clogged with sediment that they risked losing more than a quarter of their storage capacity by 2050, United Nations researchers said on Wednesday, warning of the threat to water security.
A new study from the UN University’s Institute for Water, Environment and Health found that by mid-century, dams and reservoirs would lose around 1.65 trillion cubic meters of water storage capacity to sediment.
The figure is close to the combined annual water use of India, China, Indonesia, France and Canada.
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