Alternative Energy Streams - An Overview

It seems like significant efforts to find the best alternative energy streams are being made by lots of countries including the USA and even many of America's cities. One proof is the signing of the Kyoto Treaty, the foremost goal of which is to reduce greenhouse gases and pollutants.

Sustainable energy sources have proven to be of great help in reducing the quantity of poisons, which are mainly by-products of the use of fossil fuels. Renewable sources also conserve the natural resources that people use as sources of fuel. What are the most popular streams of sustainable energy? Here's a rundown to give you a rudimentary understanding of the topic.

1. Solar Power. This works by using the sun's energy to charge solar power batteries. The process converts the light coming from the sun into electricity. When the sun's rays hit solar thermal panels, the power is then used to heat air or water. The sun's rays can also hit parabolic mirrors. This process can produce steam by heating water. But you don't need all these scientific processes to be able to profit from solar power. All you have to do is open the windows and blinds of your room to let the sunshine in. You'll get an instant heater without having to use any processes for the conversion of this energy source.

To date, the main drawback of using solar energy was that it is limited. You cannot use it at nighttime or during days when it is raining or even cloudy. This has been partially improved by the use of solar power stations. But they are so costly that there aren't many about.

2. Wind Power. The energy in the wind turns the fans of wind turbines to create electricity. Electricity is created through the use of an electrical generator. In the old days, windmills were used so that machinery could take the place of human physical labor. This included the pumping of water and the crushing of grain which were indispensable to farming.

Now there are large scale wind farms that produce electricity. The end product is then distributed through the national grids and small systems owned by private individuals to distribute electricity to far-flung areas and homes. There are many advantages to this kind of power. The main one, of course, is that it doesn't produce any by-products detrimental to the environment. And we will never run out of this source of renewable energy.

3. Geothermal Energy. This is delivered from underground. Holes are drilled in key locations and the hot rocks beneath produce steam. This is then purified to be used to drive turbines. The latter then become a power source for electric generators.

To ensure that no harmful by-products are created in the procedure, geothermal plants must be designed carefully, but once they have been set up, they are self-sufficient in creating energy.

4. Hydroelectric Energy. This power is generated by the use of dams that retain water to drive generators and water turbines. Tidal power can also be used if a dam is not suitable. The idea here is to make use of the kinetic energy of water.

If you read through the available alternative energy sources, you will be amazed at how nature can work miracles. It is your duty to preserve everything around you.

Owen Jones, the author of this article writes on several subjects, but is currently involved with the Woodworking Power Tools. If you would like to know more or check out great offers, please go to our website at Woodworking Power Tools

Article Source: http://www.eco-articles.com

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