Her latest innovation is the Water Hog (H²OG) - small, thin, multifunctional water tanks that can be slotted together (like building blocks) and placed horizontally or vertically anywhere, from roofs to under floors.
Designed so that even the smallest urban spaces can save water, they can be placed in wall cavities to provide roughly twice the thermal mass of concrete.
Read more at the Sydney Morning Herald’s Life & Style Section
