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2.  Energy is an essential need for human
existence. There is shortage of energy due
to fast depletion of fossil fuels and the
increase in demand for energy due to the
increase in population and the growth of
industry.
 The energy demands are increasing while
conventional energy sources are diminishing
at a much faster rate

3.  Coal, oil and gas are called “fossil fuels”
because they have been formed from the
organic remains of prehistoric plants and
animals

4.  Coal is crushed to fine dust and burnt
 Oil and gas can be burnt directly

5. coal provides around 28% of our energy and oil
provides 40%
Burning coal produces sulphur dioxide an
acidic gas that contributes to the formation of
acid rain

6.  Crude oil( called petroleum ) is easier to get
out of the ground than coal, as it can flow
along pipes . This also makes it cheaper to
transport.

7.  Natural gas provides around 20% of the
world’s consumption of energy and as well
as being burnt in power stations, is used by
many people to heat their homes.

8.  Very large amounts of electricity can
generated in one place using coal, fairly
cheaply.
 Transporting oil and gas to the power station
is easy
 Gas –fired power stations are very efficient
 A fossil fuelled power station can be built
almost anywhere. So long as you can get
large quantities of fuel to it

9.  The main disadvantage of using fossil fuels
to produce energy are the high levels of
pollution released when they are burned.
 This pollution mainly carbon dioxide,
methane and sulphur dioxide, is a major
cause of global warning.
 Sulphur dioxide is also know to cause acid
rain , which is particularly harmful to the
environment

10.  .