DR JANIS BIRKELAND is professor of architecture at QUT. She has a transdisciplinary background concerned with built environment design. She was an artist, advocacy planner, architect (registered), urban designer, city planner and attorney (registered) in San Francisco. She developed many tertiary and professional development units on built environment and sustainability. She has written over 100 papers and over 100 talks on the subject, and initiated the concept of net Positive Development. Her books include: Design for Sustainability: A Sourcebook of Integrated Eco-Logical Solutions, Positive Development: From Vicious Circles to Virtuous Cycles Through Built Environment Design. Last updated 18 November 2002