| Renewable energy is not a new concept.
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| | power a turbine. The turbine then
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| While it may appear to be a rather
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| | generates a supplementary form of
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| fashionable topic of conversation in
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| | electricity. Tidal power attempts to
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| certain circles, renewable energy
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| | make use of the natural energy potential
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| initiatives have been with us since the
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| | of tidal activity in the oceans and seas.
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| dawn of man. There is some debate about
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| | In simple terms, the high tide is
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| the accepted definition of renewable
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| | captured and fed through a turbine to
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| energy, but it can be loosely defined as
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| | generate electricity. Ocean thermal
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| a form of energy that is essentially
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| | energy conversion attempts to exploit the
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| inexhaustible. Furthermore, the resource
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| | variances in water temperature, from the
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| is continually replenished by various
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| | warmer surface water to the cooler deep
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| natural processes identifiable in the
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| | water, resulting in a cyclic heat engine.
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| natural world.
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| | Wind power is one of the oldest accepted
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| One key distinction to make when
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| | forms of renewable energy. It has been
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| discussing the concept of renewable
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| | used for centuries as a source of power,
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| energy is that of sustainability. One
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| | dating back to the creation of the
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| could make the argument that, in the long
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| | sailboat. The innate potential of wind
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| term, fossil fuels are a renewable energy
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| | power was realized a number of years
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| resource. While the logic stands on its
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| | later in the form of a wind mill. In
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| own, this is a failed notion. The
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| | this instance, the kinetic energy of wind
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| central difference between fossil fuels
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| | is used to drive a turbine which, in
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| and other forms of renewable energy is
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| | turn, generates electricity. Wind energy
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| that fossil fuels are being depleted at a
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| | possesses immense potential for
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| rate faster than they can be replenished.
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| | sustainable energy generation, and a
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| For this reason, fossil fuels cannot be
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| | number of large-scale development
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| considered truly renewable. They are
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| | projects are currently underway
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| simply not sustainable, due to the
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| | throughout the world.
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| accelerated rate of consumption.
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| | One of the greatest challenges facing
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| Some of the more popular renewable
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| | humanity is to discover a way to reduce
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| energy resources include sunshine, water,
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| | our reliance on unsustainable resources,
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| and wind. Solar energy refers to the
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| | like fossil fuels. Most, if not all,
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| energy that is collected from sunlight.
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| | modern industrial societies rely far too
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| This form of energy is captured using a
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| | greatly on fossil fuels and increasingly,
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| photovoltaic array, more commonly known
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| | this is becoming an undeniable reality.
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| as a solar panel. The solar radiation is
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| | Wars of conquest are being waged to
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| captured by the photovoltaic array and
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| | secure what is left of the world's oil
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| converted to direct current (DC)
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| | reserves. If only the resources of the
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| electricity. From there, the direct
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| | powerful nations were channeled into
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| current electricity must be converted to
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| | developing sustainable energy
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| alternating current (AC) for use in most
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| | alternatives, as opposed to driving a war
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| applications. The converted electricity
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| | machine bent on dominating the oil
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| is then stored in a battery for use at a
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| | markets. Our modern way of life is going
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| later date.
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| | to undergo some difficult times in the
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| There are also various forms of energy
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| | very near future, if this reality
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| that exist in water. One of the most
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| | continues to be ignored. Ask yourself
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| commonly acknowledged is that of
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| | what you can do to make a difference.
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| hydroelectric energy, but there are a
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| | You might be surprised at what you can
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| number of others including tidal power
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| | accomplish.Jim Fritz is a committed
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| and ocean thermal energy conversion.
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| | environmentalist, and a life long member
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| Hydroelectric energy generally employs
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| | of various environmental organizations.
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| the use of a dam, wherein the energy of
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| | He is also a member of the editorial team
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| the water flow is captured and used to
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| | at thesolarguide.
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