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Articles on Water use

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Water flows from the Vaal Dam after several sluice gates were opened in February 2021. Heavy rains in the Gauteng province resulted in a spike in dam levels. Deaan Vivier/ via GettyImages

Why full dams don’t mean water security: a look at South Africa

Gauteng citizens need to know the uncomfortable truth: for the next six years, their water supplies will increasingly have to be restricted.
An aerial shot of The Grand Ethiopian Renaissance Dam reservoir filling up. Taken in 2020. Photo by Gallo Images/Orbital Horizon/Copernicus Sentinel Data 2020

Innovations on the Nile over millennia offer lessons in engineering sustainable futures

Nile communities carefully monitored and recorded the river’s flow. Centuries later these records are still being used by water resource managers around the world to analyse unpredictable river flows.

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