Alternative Energy Sources
Alternative Energy Sources
by Alexis Kenne
Solar and wind energy are both energy sources that are renewable and FREE to access. By using either one of these sources you can help reduce the amount of emission produced by fossil fuels. This in turn helps our environment, which as we know is in a dire state right now. Water has been used to power cities for many years. If you take for instance the Hover Dam which hold back the Lake Mead and distributes power to surrounding areas. To generate power independently, you need a moving body of water.
Wind may be used as an alternative source of energy. If your house is located on at least an acre of flat land, you could efficiently generate power. The major limitations with wind are that there may be mechanical breakdowns on the turbine unit requiring repair. Additionally birds or insects my be killed by colliding with the turbine blades.
These renewable energy sources produce energy without emitting carbon into the atmosphere. They may cost money to set up however ultimately, they recoup the cost and save money in the long run.Solar, wind, and water are renewable sources of energy that are friendly to the environment. With awareness to the limits of our natural resources, practically everyone is considering renewable energy solutions. In addition to using alternative energy sources, we can use energy wisely and make sure that our houses are well insulate
Most modern nations depend on natural gas, oil and coal to supply the majority of their energy needs, but dependence on fossil fuels is a huge dilemma. Fossil fuels are considered a finite resource, meaning the world can and will run fresh out of fossil fuels. These fuels can also cause pollution of the air, soil and water. However, people are turning to renewable energy sources.Hydroelectricity is electricity generated by hydropower, i.e., the production of power through use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy. Once a hydroelectric complex is constructed, the project produces no direct waste.
Wave power is the transport of energy by ocean surface waves, and the capture of that energy to do useful work " for example for electricity generation, water desalination, or the pumping of water (into reservoirs). Wave energy can be difficult to harness due to the unpredictability of the ocean and wave direction. Wave farms have been created and are in use in Europe, using floating Pelamis Wave Energy converters.
The first of the top three renewable energy sources is solar energy, and is probably the best known method. The sun is our most powerful, natural energy source. Solar energy which is sunlight, can be implemented for light, heat, cooling homes, electricity, heating water, and much more industrial processes. Most renewable energy forms are derived either indirectly or directly from the sun. For instance, the heat from sun makes the wind blow. This in turn contributes to growth of plants and trees used for biomass energy. This plays an important role in the evaporation and precipitation cycle that empowers hydropower.
Wind power is the conversion of wind energy by wind turbines into a useful form, such as electricity or mechanical energy. Large-scale wind farms are typically connected to the local power transmission network with small turbines used to provide electricity to isolated areas. Residential units are entering production and are are capable of powering large appliances to entire houses depending on the size.
Biomass, as a renewable energy source, refers to living and recently dead biological material that can be used as fuel or for industrial production. In this context, biomass refers to plant matter grown to generate electricity or produce for example trash such as dead trees and branches, yard clippings and wood chips biofuel, and it also includes plant or animal matter used for production of fibers, chemicals or heat .Without alternative energy sources, a severe energy crisis could occur globally. Fossil fuel reserves will not last long, especially at the rate oil and gas are consumed around the world.
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