Knowhow-Now Article

For a long time, the main source for renewable energy seemed to be solar panels and little else. But in recent years, wind energy has taken flight, if you'll pardon the pun, in a major way. These days, if you haven't seen a big wind farm somewhere nearby, you'll certainly have seen pictures of the tall, majestic wind turbines towering row-upon-row in a field or standing out of the sea. This renewable power source has grown exponentially as an area of research, and as the technology develops, it's being applied on both a very large scale, such as the wind farms, and on smaller scales as well.

It took a while to bring wind energy down to earth. Wind turbines were generators that mainly handled or supplemented power needs for entire energy grids. The turbines themselves were huge, and their main use was in wind farms capable of generating enough power for entire neighborhoods or even cities. But the technology has been refined, and there are now small turbines capable of supplying renewable power to single office buildings or, on an even smaller scale, to single homes. A couple of turbines on the roof of a building or a small one in a back yard are not uncommon sights now.

Many voices are urging a degree of caution, however, in the rush to embrace wind energy. Apart from some worry about how migrating birds are affected by wind turbines in their flight paths, most concerns have to do with the health of people living in close proximity to the turbines. Even if these machines are a great source of sustainable energy, their low-frequency noise and vibrations appear to affect the inner ear of some people, creating dizziness, headaches, and even mood and sleep disorders. Whether the effects would be as drastic on the smaller scale of home turbines is something that isn't yet known.

However, it does appear as though wind energy generation is here to stay. It's true that the technology used to harness it may need to be refined, to ensure that the means of providing green energy services are both safe and healthy. But wind is one of the most constant forces available on earth, and if it can be used to generate clean power without producing harmful effects for the earth or its inhabitants, this type of power generation certainly must be taken advantage of now and in the future.

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