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Hydropower Hydropower has been used for
millennia in most countries of the world. Its longest application
has been for use in mechanical tasks, such as grinding grain. With
such simple mechanical devices as a "noria", it has also
long been used to lift water. Within the last 100 years... |
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Geothermal Energy Geothermal energy is, literally,
the heat of the earth. The heat itself derives from radioactive
decay beneath the earth's surface and, in certain locations, it is
concentrated enough and is close enough to surface waters to be
brought to the surface for a variety of purposes. When it is
above... |
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Wind Power Like hydropower, wind power has
been used for centuries, to lift water, propel boats, grind grain.
It is an attractive and non-polluting source for electricity. It has
only been since the mid 1980s, however, that wind power has
contributed appreciably... |
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Bioenergy This section coming soon. |
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Hydrogen This section coming soon. |
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