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Is it worth a dam?
Author(s) -
Stephanie Joyce
Publication year - 1997
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.1289/ehp.971051050
Subject(s) - hydropower , ecosystem , hydroelectricity , flood myth , environmental science , environmental planning , natural resource economics , environmental resource management , environmental protection , ecology , geography , biology , economics , archaeology
Once a sign of modernization and growth, dams are often seen today as symbols of environmental and social devastation. Over 800,000 dams have been built worldwide to provide drinking water, flood control, hydropower, irrigation, navigation, and water storage. Dams do indeed provide these things,but at the cost of several adverse, unexpected effects: disruption of ecosystems, decline of fish stocks, forced human and animal resettlements, and diseases such as malaria, which are borne by vectors that thrive in quiet waters.

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