No abstract available
MeSH terms
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Animals
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Biodiversity
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Civilization
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Conservation of Natural Resources / methods*
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Conservation of Natural Resources / trends
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Earth, Planet*
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Ecology / methods*
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Ecology / trends*
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Ecosystem*
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Extinction, Biological
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Fossils
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Green Chemistry Technology / methods*
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Green Chemistry Technology / trends
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Greenhouse Effect
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History, 20th Century
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History, 21st Century
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History, Ancient
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Human Activities* / history
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Humans
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Nitrogen / metabolism
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Phosphorus / metabolism