Energy consumption and the environment


Renewable Energy Overview

As political and economic aspects ofWhen water moves, it tends to carry a
fossil fuels grow more harrowing,lot of inertia and stored energy.
renewable energy is gaining popularity.Unfortunately, the tsunami in Asia was a
Here's an overview of renewable energy.perfect example. On a less disastrous
Renewable Energy Overviewfront, man has learned to use the power
Renewable energy is more difficult toof moving water to produce electricity.
define than you might imagine. Since itThe first, and most common, use is in
is a catchall phrase for a variety ofthe form of hydropower. Mostly seen on
energy sources, any definition has to belarge-scale projects, hydropower
broad. With this in mind, let's definetypically is used in the form of dams. A
renewable energy as any energy sourcedam is placed in a river, creating a
that naturally occurs and is veryreservoir. Using gravity, water is then
abundant.released through pipes in the dam. The
Ironically, almost all renewable energymoving water spins turbines, producing
sources rely on nuclear power.massive amounts of electricity.
Fortunately, the nuclear power is in theTidal power has been on the books for a
form of the sun at the heart of ourlong time, but hasn't been seen in
solar system. One giant nuclearlarge-scale projects. This is beginning
reaction, the sun produces solarto change. The basic idea is very
radiation and sunlight that is convertedsimilar to hydropower. Depending on the
on our planet into energy throughsystem being used, pipes with large
natural resources. In one form orturbines are placed in strong tidal
another, sunlight is the basis for solarareas. As the tide changes, massive
power, wind energy, biomass power, andamounts of water move to and fro in the
so on. Fossil fuels, on the other hand,pipes spinning the turbines and
are a form of biomass energy, but anproducing energy. Although the tides
ancient one with resource limits andmove relatively slowly, the contain
brutal side effects in the form ofmassive amounts of energy. Once thought
pollutants.an odd energy idea, tidal energy is
Solar Energy is the most basic andcoming on strong as an energy platform
direct form of renewable energy.in Europe.
Depending on the type of platform used,Geothermal energy is a form of energy
sunlight is converted directly intousing the inherent warmth of the ground
electricity or heat. Solar energy isto create power in primarily the form of
considered a renewable energy because itheat. Roughly six to seven feet below
will exist for as long as the sun, whichthe surface of the ground, the
should be over 4 billion years. Once thetemperature of the Earth is regulated.
sun burns out, we will have much largerBy exchanging liquids between above and
problems than energy!below ground areas, temperature
Wind energy is another form of solarregulation can be achieved. This is
power. Wind is created when the sunmostly seen in residential situations.
heats up different areas of the surfaceBiomass energy is a renewable energy
of the Earth at different rates. Yousource, but not necessarily a clean one.
inherently are aware of this if youBiomass is simply organic materials such
think about the temperature differencesas manure, corn and so on. The idea
when standing on a black parking lotbehind biomass energy is to convert the
versus grass in a park. Heat rises andchemical energy in the biomass into
so does hot air. Air above a hot surfaceusable power. This often occurs by
will rise and colder air fromburning it, which is problematic since
surrounding areas will rush into to filldoing so causes pollution. It also has
the void. This temperature-inducedto be grown, harvested and converted
movement creates wind in its most basicinto power. Of all the renewable energy
form.sources, biomass is the least
To take advantage of the energy, man hasattractive.
produced windmills and turbines thatWe have a lot of options when it comes
convert the energy into electricity.to kicking the fossil fuel habit.
Modern wind turbines are between 25 andAlthough there is a chance one of these
35 percent efficient at converting windoptions will become dominant, it is more
energy into electricity. Wind power islikely that a combination of all the
now the fastest growing energy platformabove renewable energy platforms will be
in the world.the answer.



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