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Renewables, The Energy Source For America’s Future
Beginning of essay
When many people thing of the United States, they envision a land of freedom, prosperity, and wealth. However, environmentalists see a different land, one containing six percent of the world’s population, and yet producing twenty-five percent of the world’s pollution. This is because much of our ....
Middle of essay
.... are several forms of renewable energy, with wind and solar power being the most effective.
Wind power is produced by numerous large structures known as wind turbines. Wind turbines consist of rotor blades, a power shaft and a generator. As wind passes through the rotor, aerodynamic lift is created and the rotor spins. This spinning in turn drives the generator and produces electricity. A suitable site for wind power must have at least an annual average wind speed of twelve miles per hour, a.... |
| Number of words: 1078 |
Approximate pages: 4 |
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