AP Environmental Science Premium, 2024 by Gary S. Thorpe

AP Environmental Science Premium, 2024 by Gary S. Thorpe

Author:Gary S. Thorpe
Language: eng
Format: epub
Publisher: Barrons Educational Services
Published: 2021-12-08T00:00:00+00:00


Cons

Dams are expensive to build.

Dams create large flooded areas behind the dam from which people are displaced.

Dams destroy wild rivers.

Dams destroy wildlife habitats and keep fish (e.g., salmon) from migrating.

Dams reduce the amount of land available for agriculture.

Sedimentation behind the dam requires dredging. Dredging prevents sediments and nutrients from reaching downstream and enriching the farmland.

There is a risk of flooding from catastrophic dam failure (e.g., from earthquakes).

Water behind the dam is slow-moving and can be a breeding ground for mosquitoes, snails, and flies—the vectors that carry malaria, river blindness, schistosomiasis, and the Zika virus.



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