In August 2006 David Holmgren was joined by Richard Heinberg, leading environmental educator from California, on a public speaking tour of Australian capital cities explaining the truth and opportunities from the coming end of cheap energy.
Co-originator of the permaculture concept, David Holmgren, presents the design principles as thinking tools that when used together allow us to creatively redesign our environment and our behaviour in a world of less energy and resources.
David Holmgren (born 1955) is an ecologist, ecological design engineer and writer. He is perhaps most well known as co-originator of the permaculture concept with Bill Mollison. Through the spread of permaculture around the world, his environmental principles have exerted a global influence.
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