What is solar energy and is it useful?
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by: BillHansen | Total views: 22 | Word Count: 288
Solar power is a green power source because it is a renewable energy source and it does not cause any harm to the environment as a whole. This is done by converting sunshine into electricity with the help of solar cells.
You will find three basic approaches on the way we may use this form of green power source namely passive, active and by using pv cells.
Whenever we refer to passive solar energy, nothing is converted. What happens is the building's design helps avoid heat loss and gets the most out of the sun shining during the day.
So people can see the awesome power of solar power, did you know a kilowatt of solar energy can produce 5.5 hours of electricity per day. If you have more solar cells in place, naturally you will be able to produce enough capacity to last a few days.
Solar power is simply one form of a green energy source around. Through the years, we have learned to tap other resources and these examples include wind power, geothermal energy, hydroelectricity and biogas. They are all safe and by using these more often, we do not need to rely on oil which is a nonrenewable resource.
To create this to happen, we must persuade our law makers to advertise using such resources. Although you hear speeches right and left about their concern for the environment, it's all talk and never much action. It is something that has to change.
Two countries that have increased their solar usage are actually Germany and Japan. Spain, France, Italy and South Korea are next within the list but where's America? Well, something is definite and that it is not within the top ten despite the fact that it's an industrialized nation.
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