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Energy Emergency

In: Other Topics

Submitted By memerca
Words 968
Pages 4
May 25th, 2010
English 1010
Prof. Mrs. Betancourt
Energy emergency!
Starting from humanity history, humans have been trying to create and establish new things to have better conditions at life. We know from physics lessons that if we want to do a new invention, we need energy in progress. The variety of energy sources actually enables people to obtain their needs in terms of this issue. Due to this fact, the usage of those energy sources has beneficial effects when they are used in the right progress. Sustainable and renewable energy sources such as solar, wind; hydro, oceanic and geothermal energies provide the needed energy for people efficiently and are the best options to improve our planet future.
Firstly, economic benefits are very important for societies nowadays in the world. As a result of this, societies are trying to find cheaper way to produce energy. Here we can suggest geothermal energy. The source of geothermal energy is hot underground water. This kind of water can be found by sounding and this technique is not expensive. After making canals that water flow inside it is enough to finalize the progress. Energy types which are produced by sun are example of this situation. Besides from the normal risks, geothermal energy can also provide a cleaner source of energy. According to Energy Consumers Edge (ECE) “geothermal energy use does entail some environmental impact, but it is safe to say that the environmental benefits far outweigh the costs’’. Most geothermal facilities operate virtually emission free. Geothermal energy has the smallest land use of any major power generation technology. A typical geothermal facility occupies about the same space as a gas fired plant of the same capacity. But the geothermal facility does not require miles of buried pipeline to carry fuel to keep it running. Geothermal facilities also have no coal or nuclear fuel to mine and transport, no radioactive wastes or ash wastes to deal with, and no emissions of carbon dioxide, particulates, or other combustion secondary products. In other words, geothermal energy is one resource that can be universally celebrated for its contribution to a cleaner, safer environment. Once in operation, geothermal plants may be the most reliable of all energy production methods. Since they are fundamentally simpler than most other power systems, there is less to go wrong. Other factors that contribute to the impressive reliability of geothermal systems are that they require no purchase or transport of fuel, nor require waste disposal.
Another alternative fuel that can be used is solar energy. Solar energy is a clean renewable resource that can be used to replace the fossil fuels that we use today. Sadly solar power has not been endorsed as much as petroleum has but when the time comes it will be one of the Earth’s most valuable resources. According to ‘Clean Energy Ideas’ “solar panels give off no pollution, the only pollution produced as a result of solar panels is the manufacturing of these devices in factories, transportation of the goods, and installation’’. The production of energy from the use of fossil and some renewable fuels like wind turbines can be noisy, yet solar energy produces electricity very quietly. Another of the great pros of solar energy is the ability to harness electricity in remote locations that are not linked to a national grid. A prime example of this is in space, where satellites are powered by high efficiency solar cells. The installation of solar panels in remote locations is usually much more cost effective than laying the required high voltage wires. Solar energy can be very efficient in a large area of the globe, and new technologies allow for a more efficient energy production on dull days. Solar panels can be installed on top of many rooftops, which eliminate the problem of finding the required space for solar panel placement. Another great pro of solar energy is the cost. Although the initial investment of solar cells may be high, once installed, they provide a free source of electricity, which will pay off over the coming years. The use of solar energy to produce electricity allows the user to become less dependent on the worlds fossil fuel supplies. The major con of solar energy is the initial cost of solar cells. Currently in the world, prices of highly efficient solar cells can be above $1000, and some households may need more than one. This makes the initial installation of solar panels very costly. Solar energy is only able to generate electricity during daylight hours. This means for around half of each day, solar panels are not producing energy for your home.
Although solar energy is very useful it has some disadvantages. Pollution can be a con of solar energy, as pollution levels can affect a solar cells efficiency, this would be a major con for businesses or industry wishing to install solar panels in heavily polluted areas, such as cities. Above are mentioned a few reasons of many solar energy pros and cons, and although not definitive, you can see how the number of pros relating to solar energy, greatly outweighs the cons of solar energy. The main reason we are not seeing a large amount of solar energy technology installations is due to cost, and unfortunately, as the price of fossil fuels remains lower than the initial investment towards the currently available solar panels, we will not see a mass shift towards solar electricity production.

We can say that we have the means to replace our current energy crisis. The real problem lies in that the world has to learn how to adapt to the new means to harness energy. If we would devote ourselves to establish these alternate energy sources as our main supply of energy the future would be a safer and cleaner one.

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