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Environmental Science

Unintended Consequences of Building Dams on Transboundary Rivers

Quick fact

The Aswan High Dam on the Nile traps over 120 million tons of sediment each year, starving downstream farmland of nutrients and causing the Nile Delta to shrink by 5–10 meters annually.

Why this is interesting

Dams provide water and energy, but when a river crosses national borders, a dam built by one country can create unexpected problems for its neighbors—sometimes sparking conflict rather than cooperation.

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Unintended Consequences of Building Dams on Transboundary Rivers

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