The Energy Crisis

1
The Energy Crisis
Our energy supplies are running out. We must
think how to produce energy in the future.
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Everyone of us uses energy all day, every day!
3
Most of our energy comes from burning fossilized
fuel, such as coal, gas and oil.
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Fossilized fuel is running out and is polluting
our world. We will need almost 60 more energy in
30 years. Oil experts estimate that we will use
all our oil within the next 40 years!
5
Imagine that you are running the country. What
kind of energy would you use? Wind, sea,
nuclear, solar, coal? Look at the different
kinds of energy and then discuss your choices.
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Coal, gas and oil
Oil experts estimate that we will have used all
our oil within the next 40 years! Others say that
we will discover more. a
7
wind energy
Wind energy on the land can provide valuable
income to rural Wales, especially to farming
communities in highland areas.
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sea energy
The sea around the coast of Wales has the
potential to produce plenty of electricity
through harnessing the power of the tide, the
current and the waves. Wales has strong currents
in the sea and some of the highest tidal ranges
in the world.
Plans are being discussed for Swansea Bay, the
Severn Estuary and Liverpool Bay.
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nuclear energy
There are 16 nuclear power stations at present in
Britain each power station will close by 2023.
The idea is that other renewable energy sources
will displace nuclear power and will ease
Britains dependence on fossilized fuel. However,
at present the government are being advised to
build more nuclear power stations if they are to
meet the targets of greenhouse gas emissions.
This picture shows the nuclear power station at
Trawsfynydd in the Snowdonia National Park. It
was shut down in 1993. The nuclear reactors are
still kept within the building.
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different type of nuclear energy
Nuclear power is usually created by splitting
atoms (nuclear fission). Scientists are
developing a new type of nuclear power which is
very safe and combines atoms (nuclear fusion).
There is plenty of fusion fuel available and it
does not produce greenhouse gases when it
burns. It is safe because it extinguishes
when it malfunctions, and although radioactive
materials are produced, they are not of a high
level nor do they last for a long period of time.
Fusion gives energy to the sun.
Another 30 years is needed to develop nuclear
fusion.
11
solar energy
Solar roof tiles use the suns light to create
electricity or warm water. Houses with a lot of
tiles can produce more electricity than is needed
the excess electricity could be sold back to
local electricity companies.
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solar tubes
Solar tubes reflect natural daylight through a
tube into the home or office. They are a good
means of saving energy during the day.
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natural light
Saint Fagans Green House. The southern face
of the house is glazed in order to take full
advantage of solar energy.