Kay Harrison . Articles Architects shown how machine learning can clean up our cities Computational design can identify greater efficiencies across the built environment, enabling us to create more sustainable cities. Housing and homelessness forgotten in post-Covid recovery Systemic reform for housing policy in Australia is still needed despite innovative emergency responses during the pandemic. Super cool building materials are powerful weapons against climate change New building materials that reflect rather than absorb solar energy can reduce peak temperatures in our cities by up to four degrees.