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Solar Energy Essay

1205 words - 5 pages

The sun shines upon Earth everyday, yet no one thinks much of it. Solar power’s importance, though, is above what anyone could have ever imagined. There is active solar energy which is when solar power is converted into light, heat, cause air-movement for ventilation or cooling, or store heat for future use. Less thought of, the other type of solar energy is passive energy, which most take for granted. Solar power provides life with heat, light, and now, electricity. Solar power also plays a role in 4 of the 5 areas of green technology: energy, green building, environmentally preferred purchasing, and green chemistry. All in all, solar power is quite a unique form of energy.
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In conclusion, active energy is another type of solar energy. The most common type of collector is a roof-mounted flat-plate design, consisting of an insulated glass-covered box painted black to maximize heat absorption. Water circulates in a loop between the collectors, where it is heated, and a tank, where it is stored until needed for either domestic uses or space heating.
One of the areas of technology that relates to solar power is energy. This category includes finding alternative fuels, new ways to make energy, and new ways to save it. The need for oil, coal, and natural gases are increasing, yet they are running out, so it is essential to find replacements. There are many types of energy that can replace them such as biomass, geothermal, hydroelectric, wind power, and most of all solar energy. Solar energy is can not only be widely applied with some few adjustment in future technology, but is also unlimited unlike most of the other replacements.
Green building is another area of green technology that includes solar energy. It is when green building strategies are applied to help the both the economy and the environment. This includes methods from design, construction, renovation, and deconstruction. Solar energy is great in this particular area because it can help the environment greatly. Free of cost, passive solar energy can be obtained with few modifications of the house. Solar energy from solar panels can be used instead of electricity from energy plants, which is much more eco-friendly.
The third area of green technology is environmentally preferred purchasing. This means buying products or services that have a better impact on the health of the environment. It applies to a lot of categories such as raw materials, manufacturing, packaging, distribution, use, reuse, operation, maintenance, and disposal. Since the United States is one of the greatest consumers in this world, it is extremely important to this country. Solar energy relates to this area because after one gets solar panels to collect solar energy, as long as the sun is shining, there will be plenty of energy. This is not only long term cheaper, but also better for the Earth.
Green chemistry is last area of green technology that solar energy relates with. It is the designing of chemical products and processes to help reduce the use of hazardous materials. This is important because it prevents those dangerous substances from entering the environment in the first place. According the EPA, there are 12 principles of green chemistry. They are preventing waste, maximizing atom economy, designing less hazardous chemical synthesis, designing safer chemicals and...

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