Dams
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Environmentally speaking, dams pollute the air less than fossil-fuel power plants and create more manageable wastes than nuclear power plants. However, damming rivers and flooding large areas does substantially affect local habitats and human populations. |
Figure 7a
Generation of electricity by renewables Source: U.S. Department of Energy |
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Figure 7b U.S. total electric generation by source (millions of kWh), 2005 Source: U.S. Department of Energy |
