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Green Energy
Recent political, military, and industrial events have
once again highlighted the growing demand for
sustainable supplies of energy in the modern world. Many
people have a somewhat vague sense of dread regarding
the state of fossil fuels, specifically their dwindling
availability and contributions to greenhouse phenomena,
but few have a clear understanding of the alternatives.
Additionally, many nations are increasingly
uncomfortable with the need to rely on external sources
for their energy needs, particularly if those sources
have the potential to become unfriendly.
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Fortunately, there is a sense of optimism regarding
sustainable energy source development. Technological
advances have rendered possible what was considered
science fiction only a few decades ago. Many sources of
sustainable energy are now in commercial production,
with economic viability and distribution increasing
every year. Just as important, public awareness is also
increasing, with many grassroots organizations using new
media outlets to promote developmental opportunities and
education.
The basic definition of sustainability is a method of
creating and utilizing energy such that present use does
not harm present ecology, or impair the development of
future resources. In more realistic terms, it refers to
energy production that does not rely on fossil fuels
like oil or coal, and does not have a foreseeable end to
productive capacity. In a expanded sense, it also means
that energy production does not harm the environment,
either in the short term or long term.
While there are many viable options for sustainable
energy, eight particular models tend to be seen as the
most developmentally realistic and economically
attractive: hydroelectric, geothermal, solar,
biological, nuclear, wind, tidal, and waste
incineration.
Published by Carol Foss - in the hope that it will make
a difference, however small. |
