alternative energy save the earth! created by james gillespie 2013
TRANSCRIPT
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Alternative Energy
Save The Earth!Created By James Gillespie 2013
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Right Now!
• We burn millions of
tons of oil, coal and
gas to power our lives.
This releases
incredible amounts of
pollution into our air
and will eventually kill
our planet.
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At The Same Time
• We are cutting
down the forests,
the trees that take
CO2 out of the air,
so fast it will take
hundreds of years
to recover.
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The Result
• Temperatures are
rising on the planet as
more heat is trapped
by CO2. This is called
the greenhouse effect.
The more CO2
released the hotter it
will get.
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A Hot PlanetLess Ice At The Poles More Lowland Flooding
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What Is The Answer?
• There are two parts to the solution.
• First, stop cutting down forests and start
replanting as soon as possible.
• Second, reduce the amount of fossil fuel we burn
and find another way to drive and power our
lives.
• We need to start using Alternative Energy
Sources.
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Alternative/Renewable Energy
• Solar
• Wind
• Hydroelectric
• Geothermal
• Bio-Diesel
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It’s Free (Sort Of)
• Everyday the
Sun pours
almost limitless
amounts of
energy onto this
planet.
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It’s All For Us
• We can capture
it and use in two
ways.
• One is to turn it
directly into:
• ELECTRICITY!!!!
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Zero Pollution
• There are no moving
parts and nothing to
wear out. The photons
of light excite the
electrons and they
start to flow and
make:
• ELECTRICITY!!!!
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Check Out This Roof
• That’s enough to
power the whole
house.
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How Many MPG’s?
• A car like this could
charge it’s own
batteries all day
while it’s parked.
Otherwise it could
be plugged in.
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Want A Hot Shower?
• Solar energy can
also be used to
heat water for
baths, showers
and heating a
home.
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Solar Can Even Make A Power Plant
• These mirrors reflect
sunlight to the tower
full of salt and heat it
to over 600˚F. This is
then used to heat
water into steam and
drive turbines to make:
• ELECTRICITY!!!!
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The World Of The Future
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What About On A Day Like This?
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There’s Often Wind
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So Simple!
• The wind drives
the blades and
turns the
generator to
make:
• ELECTRICITY!!!!!
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Even At Home
• A small turbine
like this won’t
power an entire
house but it’s a
start.
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The Bluer The Windier
• Imagine all the
wind turbines we
could put in the
blue areas and
how much fossil
fuel we would
save.
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Powered By Gravity
• In a hydroelectric
power plant, water
from the reservoir
is controlled to flow
through the dam to
turn the turbine
generator.
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Hydroelectric Dams
• Gravity pulling
water down can be
used to drive a
turbine too. This
spins a generator
and makes:
• ELECTRICITY!!!!
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Still Simple
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Two Hydroelectric Dams
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Geothermal
• There is a lot of
heat inside the
Earth and we can
have all we want
for free!
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Heat Absorption
• In Winter we can
pump cold water
down deep where
it absorbs heat and
comes up warm or
hot.
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Heat Dissipation• In Summer, hot
water can be
pumped into the
ground where the
heat is absorbed
and cool water
comes up to cool a
home.
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It Works Both Ways
• These
underground
pipes will
exchange the
heat in both
directions.
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Geothermal Power Plant• In some places
the water is so
hot it comes out
as steam which
can turn a
turbine and
make:
• ELECTRICITY!!!!
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Bio-Diesel
• Did you know
cars can run
on vegetable
oil?
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From Trash To Treasure
• Even dirty old
used up fryer oil
from restaurants
can be filtered
and put into
diesel engines.
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Ethanol
• Corn can be
made into
ethanol that can
be mixed with
oils to make bio-
diesel.
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What’s The Best Part?
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Which One Is The Solution?
• No single one is the best solution.
Each renewable energy source is a
good start and helps reduce fossil fuel
burning; so what is the best solution?
• A comprehensive combination of all is
the best solution.
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How Much Could We Save?
• How much do you think we could
reduce our need for fossil fuel?
• 25%
• 50%
• 75%
• 90% or more
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What Can I Do?
• First, conserve energy. Turn off lights
when you don’t need them, take
quicker cooler showers, set your
thermostats a little cooler in winter
and wear a sweater and a little
warmer in summer.
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What Can I Do?
• Second, increase energy efficiency in
your home through insulation and
efficient windows, doors and appliances.
• Third, tell people what you know about
alternative energy and, someday, put
these things in your own home.
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What Can I Do?• Most important!!!! Become and
educated voter! Write your
Congressmen and tell them to
embrace the technology that is
ALREADY HERE or you and your
friends and family will vote them out
of office.
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It’s Up To All Of Us!
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So What Happens If We Do Nothing?
• Yesterday, an F5 tornado tore
through Moore Oklahoma, destroyed
homes, schools and their hospital. So
far 91 have been confirmed dead
including at least 20 children.
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Moore, Oklahoma 5/20/2013
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Moore, Oklahoma 5/20/2013
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Moore, Oklahoma 5/20/2013
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Moore, Oklahoma 5/20/2013
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Moore, Oklahoma 5/20/2013
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If We Do Nothing:• Storms like this will get stronger!
• They will happen more often!
• They will happen in more places, like
here!
• More heat and water in the
atmosphere will be disastrous for
everyone! Including You!