11 | Straw Bale Guru 2015-08-27 |
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12 | Tumbleweed Tiny Houses: Human Scale 2015-08-19 |
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13 | Sustainability and Spirituality: Rev. Sally Bingham 2015-07-30 |
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14 | The Sustainable Builder & Natural Plasters: Chris Magwood 2015-07-30 |
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15 | Earthships with Michael Reynolds (the father of Earthships!) 2015-07-30 |
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