Recent news stories have suggested we’re past the point of no return when it comes to climate change. With higher temperatures, more severe storms and rising sea levels now a reality, there’s an added urgency to Australia’s attempts to honour our Paris commitments to lower emissions.

Fortunately, a large chunk of the emission reductions challenge can be met by our building sector. Buildings are responsible for 23 per cent of our carbon emissions, so a zero carbon building sector would cut out almost a quarter of our emissions. Unlike some other sectors, such as aviation, the…