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Forums in 'Appropriate Technology' | ||||
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Architecture | 0 | 0 |
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Transportation Forms of transportation eco-friendlier than the current norm, such as bicycles, biodiesel, etc.
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Hydro | 0 | 0 |
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Solar | 0 | 0 |
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Wind | 0 | 0 |
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Other | 0 | 0 |
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