Sydney Architect Sasha Ivanovich has been doing sustainable architectural design since the early 1980s. His company SIA Architects Pty Ltd specialises in energy-efficient, ecologically-sustainable solutions.
About denisleo
Host of podcast SED-Talks (sedtalks.com) on Sustainability • Environment • Development is an award winning Permaculture activist and community educator from its inception in the seventies in Australia. On his facebook page he describes himself as a "Planetary psychologist for a new humanity and an Urban permaculturist" - https://www.facebook.com/DenisMcCarthy.inet