Essay about Effectively Harnessing Alternative Sources of Energy

Essay about Effectively Harnessing Alternative Sources of Energy

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How can alternative sources of energy harnessed effectively ?


Through out of history we always had a need for energy up to now we use non renewable such as fossil fuels
however these will soon ran out and we have to look for different sources of energy. Energy was and remains main component of human life. People have gone from first fire to nuclear power plants and still scientists look for new types of renewable energy. In today's world , with increasing rates of consumption and as a consequence - the limited energy resources, the rapid development of technology is gaining momentum production of energy from alternative renewable sources. There is «traditional» types of alternative energy: sunlight and wind, tide and geothermal heat, waves. Based on this natural sources of energy has been created electrical power stations such as wind farms, solar fields, hydro power stations, thermal power stations.

For a long time, seeing what kind of destruction can bring storms and hurricanes, people thought about whether you can use wind power.
Wind energy is very high. This energy can be produced without polluting the environment. But the wind has two major drawbacks: its energy is strongly scattered in space and it is unpredictable - often changes direction suddenly calms down, even in the windiest areas of the globe, and sometimes reaches such force that break windmills.
To offset the variability of wind, constructing huge "wind farm.” Wind turbines should not be placed too close, so they do not obstruct each other. Therefore, the farm occupies a lot of space. Such farms are in the U.S., France, England.
Principle of operation of wind turbines is very simple: the blades that rotate due to the force of the wind, through the shaft trans...


... middle of paper ...


...ls drop, formed during high tide and low tide. For this separate pool coastal low dam, which holds the tidal water at low tide. The water is then released, and it turns the water turbine. Tidal power can be a valuable energy help local character, but in the world are not so many suitable places for their construction so that they can change the overall energy situation.


So , the argument that the more dangerous , and that it is cheaper in electricity production has not yet been completed. And hardly bude finalised soon. Mankind is constantly improving methods of preparation so it needs energy , including electricity .
A major drawback to them today - is the high cost, a large amount of material needs and in a very vast area, which is also not to be found anywhere. But, unfortunately, replace traditional electricity generation in the right amount, they can not yet.

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