JunHa_argument_essay - JunHa Kim ESOL 103B First Draft...

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JunHa Kim ESOL 103B First Draft argument essay Advantages of Wind Farms Can you imagine your life without electricity? If you have experienced a sudden power failure, you could realize that electricity is an important element for your life. It is obviously hard to live without electricity because most of the materials people use do not work without it. These days, most of the electricity people use is from fossil energy. It was estimated by the Energy Information Administration that in 2005, 86% of primary energy production in the world came from burning fossil fuel (“World Energy Resources and Consumption”). However, high fossil energy prices and global warming caused by burning of fossil energy raised the importance of substitute energy. For these reason, many countries began to increase investments in order to develop substitute energies such as solar, wind, and hydrogen. Among these substitute energies, the use of wind energy is rapidly increasing each year. According to an article ”Wind Power Continues Rapid Rise” global wind power capacity grew 27 percent from the previous year. Behind this growth of wind energy, there are three significant advantages: positive influence on the environment, unlimited energy for human use, and economic growth for agricultural community. These advantages are important reasons why more wind farms should be built.
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People have used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind corn, which is where the term "windmill" comes from. These days, the system that makes electricity using the wind is very similar to windmills. When the turbine blades capture wind energy and start moving, they spin a shaft that leads from the hub of the rotor to a generator. The generator turns that rotational energy into electricity. At its essence, generating electricity from the wind is all about transferring energy from one medium to another. (“Wind power - energy from the air”) The most significant advantage of wind farms is the positive influence on the environment. This point certainly represents why people need to build more wind farms. Recently, global warming is being raised as one of the most serious
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JunHa_argument_essay - JunHa Kim ESOL 103B First Draft...

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