Charles Otway from Terra Perma presenting Urban Water Landscape for City of Joondalup as part of their Thinking Green program. Learn innovative ways to better use water while still enjoying and growing your garden. A which, what, how and when guide to using less water and growing more.Topics covered include available water sources and their best suited use, rainwater harvesting, greywater, man-made and natural water storage, soil improvement, mulching and turning food scraps into soil.