What is the main environmental impact of dams?

The main impact is the disruption of natural river processes, including sediment transport, fish migration, and seasonal flow patterns.

Can dams be removed to help rivers?

Yes, strategic dam removal is a growing practice used to restore natural river flows and revive ecosystems that were previously fragmented.

Dams trap sediment that would naturally flow to the coast, causing deltas to shrink and erode due to a lack of replenishment.

20 Jun

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July 15, 2026