The first pie chart compares the usage of energy in terms of 6 different category which used by average Australian household. The second figure indicates share of emission of greenhouse gas, which is considered as result of usage of energy.
Overall, althoug heating is the most widely-used of consuming energy, it is not contributes the largest share of greenhouse gas emissions. In addition, the usage of refrigeration generate twice percentage greenhouse gas emission.
According to the first chart, the most significant amounts of energy are used by heating (42%). The second highest proportion, 30%, is water heating while less than half this figure is other appliances. The remaining shares were allocated to refrigeration, 7%, lighting, 4%, and cooling 2%.
It is clear from the second chart that, the contribution of greenhouse gas emission in this category is almost similar in 2 items, namely watering heating and other appliance (32% and 28% respectively). Furthermore, refrigeration and heating also have almost similare share, stand at second level through other 6 items. The lowest share for emitting greenhouse gas belong to lighting and cooling (8% and 3%, respectively).