Our cities are becoming ever hotter – due to both the way they’re built, as well as climate change and the extreme heat events it brings.

Heating and cooling account for up to 50% of energy use in Australian homes, varying by climate zone and heating technology.

At present, South Australia is the only state or territory acting on the issue.

Poor housing quality, such as lack of insulation, also affects home owners, especially those on low incomes.

For the next year, coal used in Australia cannot be sold in wholesale markets for more than $125 a tonne. Gas used in Australia cannot be sold in wholesale markets for more than $12 a gigajoule.