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| Poster competition |
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| Sculptures made of plastic bottles |
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| An "eco-home" |
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| An explanation of the sculptures |
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| The latest in solar |
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| Energy use for the cave men and early pastoralists |
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| Energy use in the19th and 20th centuries |
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| Water usage |
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| "Green" companies |
Sunday, December 5, 2010
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