Carbon Economy Course
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A Report on ZERI Training Course (Zero Emissions Research Initiative)
December 3-5, 2009 Orella Ranch, CA Remember the Chicken? The ‘Permaculture Chicken’ is a classic example used by Bill Mollison…
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December 3-5, 2009 Orella Ranch, CA Remember the Chicken? The ‘Permaculture Chicken’ is a classic example used by Bill Mollison…
Read More »