Alternative Energy - Essay Example

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Proven Alternative Energy Sources Several kinds of renewable and clean sources of energy such as wind, solar, geothermal, hydro, biomass energy are now available. Each alternative source has its own characteristic importance depending upon geographical possibilities for its production. It will be most appropriate to delve deeper into each one of these sources. Wind Energy Wind energy is available mostly at the coastal regions where wind velocity is higher. Kinetic energy of the wind is tapped using wind turbines and converted into mechanical or electrical energy. Mechanical energy can be used to produce either electricity or can be used directly to run wind mill. For an efficient use of wind turbines, wind velocity of 11 meters per second or higher is desirable. Wind velocity mapping is necessary while selecting a site for installation of a wind turbine because higher wind speeds will provide higher kilowatts of electricity (Renewable energy sources in the United States, 2011). Solar Energy Solar radiation provides continuous flow of clean and renewable energy and in that sense Sun is the most potential alternative source of energy that can always be relied upon. Earth's existence is linked with Sun. ...Show more

Summary

  Alternative Energy The world is highly dependent on fossil fuels for its energy needs. The biggest disadvantage of fossil fuels is that it causes global warming and environment degradation. Moreover, fossil fuels can last for 100 years or so as consumption rate of fossil fuels is much higher than the rate at which they are now discovered…
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