The first chart below shows how energy is used in an average Australian household. The second chart shows the greenhouse gas emissions which result from this energy use.

The first pie chart compares the proportion of six different usages of

energy

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in a normal Australian family,

whereas

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the second graph depicts the emission of

greenhouse

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gasses caused by

this

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energy

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consumption.

Overall

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, as can be seen vividly from the first chart, the highest proportion of

energy

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is allocated to heating. Cooling,

on the other hand

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, has not only the lowest usage of

energy

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but

also

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results in the smallest segment of

greenhouse

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gas emissions. The

energy

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which is used for water heating results in the highest share of

greenhouse

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gasses. As illustrated by the first graph, accounting for 42% of total

energy

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use, heating is the most crucial purpose of using

energy

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. The figure for water heating stands at 30%, which is twice the number for other appliances. Refrigeration, lighting, and cooling comprise only small portions of 7%, 4%, and 2%, respectively.

By contrast

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, the

energy

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which is used for water heating induces the highest emission of

greenhouse

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gasses, at 32%. The figure for other appliances is 28%, which is approximately two-fold the number for heating (15%) and refrigerating (14%) and is higher by 20% than the portion for lightning. The number for cooling is negligible, at 3%.