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Renewable Energy Sources - Future Power

June 10, 2012 | Comments: 0 | Views: 139

Energy sources that can be continually replenished are called renewable sources. The source of energy from the sun, wind, water and biomass are renewable energy sources as against fossil fuels like coal, oil and natural gas, which are non-renewable. Fossil fuels are not an infinite source, they are available in limited areas and once the supply from these sources gets exhausted, one must explore other areas that could produce these fuels. It is like digging a bore well for water. When the well becomes dry, the source becomes useless, unlike water from the oceans, which provides an inexhaustible supply.

So, why are we talking about 'renewable energy source'? This is because our dependence on fossil fuels cannot last long. Nature has not provided man with an inexhaustible supply of these fuels. Man discovered the utility of these fuels and started using it, believing it to be a permanent source of energy. He has realized that natural calamities and political turmoil could cut this supply short. Besides, the continual use of fossil fuels has caused considerable environmental degradation which is unfair to the future generation.

Sun, wind and water are inexhaustible sources and therefore energy from these could be continual, provided we are able to harness it productively. Energy from the sun can only be depleted, if it stops shining and so with wind and water. But, if they do, there would be no life at all.

Currently, producing energy from the renewable sources is expensive. The technology to harness, produce, store and transport this energy is being evolved. Unless, it becomes commercially viable, large-scale production will not be a reality. It would not be possible to suddenly replace fossil fuel energy with the renewable source. Both have to work side by side till the alternate renewable source becomes economically viable.

Many countries are seriously looking at renewable sources of energy. A beginning has been made with solar energy that can replace the conventional fossil fuel energy for domestic use. Some governments actively support this endeavor by subsidizing the costs of purchase for its citizens. Renewable energy is also called 'Green energy' since it does hardly any damage to the environment, is sustainable and easily replenished.

Renewables, by themselves provide clean energy and are non-polluting but the equipment and structures that are built to harness this energy can impact environment negatively. This fact cannot be ignored but in comparison with the generation of conventional energy, the damage to environment is not greater. With proper planning and execution, the damage can be minimized. If the cost for power generation using the renewable sources can be brought down significantly or even on par with what is required to produce energy from fossil fuels, our world will be a better place and the future generation can inherit a cleaner environment.

Source: EzineArticles
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