Valerie A. Brown AO, BSc MEd PhD, is Director, Local Sustainability Project, Fenner School of Environment and Society, Australian National University and Emeritus Professor of Environmental Health, University of Western Sydney. Her wide experience includes membership of national scientifi c and medical councils, executive member of the national federation of consumer organisations, and Chair of Greenpeace Australia. In 1999 she was appointed an Offi cer of the Order of Australia for advocacy for sustainable development. Her team-written books include Sustainability and Health: supporting global ecological integrity in public health, 2005 and Social Learning and Environmental Management: towards a sustainable future 2005. "In this rich treasure trove of historical inspiration, contemporary ideas, and future-oriented how-to's, Valerie Brown has brought together a lifetime of work synthesizing science, participatory processes, and action for sustainability. A seasoned explorer, she moves effortlessly between disciplines as she describes a comprehensive approach to tackling the great challenges of our time - together. Because together is the only way they can be tackled. Read, learn, and act." - Alan AtKisson, author, Believing Cassandra, and Executive Director, Earth Charter International. "Leonardo's Vision is essential reading for all those wishing to capture the emerging opportunity for collective thinking and action. The book provides a number of rigorous models and processes drawing on the author's extensive experience in supporting community efforts towards a sustainable future. I have learned that one should pay serious attention to anything that Valerie publishes and this is no exception." - Charlie Hargroves, coauthor, The Natural Advantage of Nations and Executive Director of The Natural Edge Project.