Geothermal Energy: Tapping Into The Earth

When considering the many sources of renewable energy that could help reduce the United States’ dependence on fossil fuels, much consideration must be give to geothermal energy. ? Geothermal energy is entirely clean and does not pose the health risks associated with the harvesting, use, and burning of fossil fuels. ? It is an affordable and sustainable option, something that should be given great consideration as a viable alternative. Geothermal energy is simply the heat given off by the earth itself. ? The core of the earth contains a layer of magma that continually produces heat. ? This heat is produced by the decay of radioactive materials such as uranium, and over fifty thousand times more energy than contained by all of our oil and natural gas resources can be found in only a 33,000 foot radius of the earth’s surface. Currently, the most common method of harvesting geothermal energy is by tapping into geothermal springs. ? In these springs, cooler water seeps into the ground, only to be heated through convection and rise to the surface as steam. ? This steam is collected and used to power electricity generators. ? Many power plants drill into the earth in order to capture steam more effectively and in greater quantities. Many geothermal reservoirs have been discovered across the globe, each with the capacity to produce as much energy as a thousand wind power plants. ? There is currently much research taking part on a global scale to find effective and safe ways to tap into and utilize this energy. ? The biggest hindrance to mass geothermal energy use has been the buildup of silica inside wells at geothermal power plants. ? Because researchers have recently found ways to help control this costly problem that has long been the biggest barrier to widespread use of geothermal energy, there is much hope that this form of energy will finally receive the attention and consideration it deserves. With the discovery of a way to control silica buildup comes the hope that the energy committees will invest more research and money into geothermal energy, which promises to be both inexpensive and one of the cleanest energy sources available. ? Over sixty million people worldwide receive their electricity from geothermal power plants, with over four million of those people residing in the United States. ? Supporters of geothermal industry hope to see that number rise significantly in the coming years, as the process becomes more efficient in regards to both finances and energy production. In short, tapping into the earth to harvest geothermal energy is by far one of the most sustainable methods of acquiring energy available. ? The earth’s core is a constant supply of energy, with no risk of depletion and no harmful emissions. ? Much research should be put into geothermal energy to find the best possible methods of bringing the technology to the greatest number of people, creating energy independence and eliminating the need for fossil fuels in the production of electricity.

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