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What are non-renewable sources?
What are some examples of non-renewable sources?
How can we reduce energy consumption?
Reducing the amount of energy we use also reduces what else?
In Australia, climate changes is likely to cause what?
What happens if you purchase appliances that are efficient?
What is an energy rating label?
Energy efficiency is shown by what?
What does the number found on the label do?
What happens if the number is high?
It is estimated that half of the energy costs of running a house are on what?
What is insulation?
What happens if insulation is added?
What is the National House Energy Rating Scheme?
What does a rating of zero stars mean?
What does a house rated at 10 stars mean?
What are some ways a house design can be improved?
What is regenerative braking?
What is magnetic refrigeration?
What are organic photovoltaics?
