The given pie charts demonstrate the usage of energy and greenhouse gas emissions from the usage of this energy in the average Australian household.
Overall, while energy was mostly used for heating, water heating contributed the most to the emissions of greenhouse gas.
As shown in the charts, in the average Australian household, water heating , which was the second largest appliance contributing to the energy expenditure, accounted for 30% of the used energy, whereas the same area had the largest percentage of the greenhouse emissions, with 32%. The percentage of energy used for refrigeration made up 7%; the proportion of the greenhouse emissions from refrigeration was twice as large as that of the usage of energy in refrigeration. 15% of energy in the average Australian household was used on other appliances, and proportion of greenhouse gas emissions was nearly two times larger – 28%.
Regarding heating, while 42% of energy was used on it, becoming the largest energy expenditure, only 15% of all green house emissions was from heating. Cooling and lightning, which had the lowest percentages in both areas, in summary had 6% of used energy, and the total proportion of greenhouse gas emissions was 11%, with lighting (4% and 8%) contributing the most to both sums.
