Earth-covered houses are not only highly fire-resistant, but sustainable features such as off-grid power and water supplies could also be life-saving in a bushfire.
The debate about the transition away from fossil fuels has focused on costs, but right here in Australia we have examples of the benefits of sustainable new energy sources for our cities.
Australia's commitments to cut emissions are on a collision course with urban growth. We need a much more comprehensive strategy to make the transition to a sustainable built environment.
The world needs more affordable housing with a lower environmental impact. The stabilised supermud brick could be the answer.
By the end of this century the world's population will have increased by half, creating a housing problem that needs to be solved now.