Hydroelectricity
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dbrunner
What are some disadvantages of hydroelectricity?
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replied to:  dbrunner
jkwilliams
Replied to:  What are some disadvantages of hydroelectricity?
Hydroelectric plants can damage the aquatic ecosystems up and downstream. It has been shown that plants along the Nroth Atlantic and Pacific coasts of North America have contributed to a decrease in the population of native salmon.
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replied to:  jkwilliams
desmonde
Replied to:  Hydroelectric plants can damage the aquatic ecosystems up and downstream....
The reservoirs of some plants may produce large amounts of methane and carbon dioxide, due to decomposing plant materials on the lake floor.
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replied to:  desmonde
dbrunner
Replied to:  The reservoirs of some plants may produce large amounts of methane...
Dam failures can lead to large-scale catastophes.
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