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A Quick Look at Alternative Energy

By Anna Williams

Republish: EasyPublish™
Published: 05Mar2009
Word count: 427
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We need energy to do things in this world. In every aspect of our life, we find ways to harness it and use it in a constructive manner. But conventional sources are getting depleted fast, which leads to a need for renewable energy sources. There are quite a few promising sources that can be considered.

The term "alternative energy" can refer to any energy source that doesn't burn any fuel or involve the splitting of atoms. Because of the pollution caused by our standard energy supplies, there's a growing interest in finding good alternative energy sources. Hopefully, this doesn't stop at wishful thinking.

Renewable energy sources, such as solar power, geothermal energy, wind power, tidal power, and hydroelectric power, are being seen as possible future replacements for conventional and less clean energy sources. Technology is still being developed to fully maximize their efficiency.

Solar Power

Among the alternative energy sources in use today, solar energy is possibly the most well known, especially in places where the sun is always shining. The amount of solar energy that the Earth receives on a daily basis is considerable, but only a small percentage of it is put to good use. It is used to power heating systems for homes and businesses, to run cars, and to operate space satellites. And as research advances, the future looks bright for solar energy.

Geothermal Energy

Geothermal Energy is produced by the internal heat of the Earth, which could be used to generate steam to run a steam turbine. This turbine would then generate electricity. It could provide supplementary power even if not functioning as the primary source.

Wind Power

Wind power is one of the cleanest forms of energy production, able to generate electricity without harmful byproducts. The disadvantage is that its use greatly depends on the weather conditions in a particular area.

Hydroelectric Energy

Tidal and hydroelectric power share the same basic principles in how they generate electricity. They utilize the force of the movement in the water, and convert it into electric power. In hydroelectric plants, water is usually stored behind dams. Once the water is released at a high pressure, it is used to turn turbine blades below, which are used to generate electricity.

As research and technology advance, we become increasingly more capable of harnessing the full potential of our clean energy sources. It is vital that we continue this research and development, so as to put an end to the uses of fossil fuels and other polluting elements, with their harmful effects on the environment.

To learn more about alternative energy, please visit Alternative Energy.

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