Dr Ross Mars has had a long involvement in permaculture and is one of the most authoritative permaculture teachers, designers and consultants in Australia, and author of four other books on the subject. He has also produced two videos on energy efficient housing design and renewable energy systems for power generation. Besides designing, building and installing greywater systems, rainwater ... Read moretank systems, gardens and water-sensible irrigation systems, Ross and Jenny are currently setting up their property, Candlelight Farm, in Mundaring that includes strawbale accommodation, demonstration gardens and a wholesale nursery. Show Less