Earth/Environment
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Yellow River flooding blamed on anti-flooding efforts by ancient Chinese
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Extinct passenger pigeons can be resurrected? Yes, say scientists
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Honeybees in danger and there's a presidential memorandum to save them
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Obama sets up task force to curb decline in honeybee population
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Climate change prompts Emperor penguins to find new breeding grounds
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Can genetic engineering bring extinct passenger pigeons back?
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Invasive emerald ash borer beetle poses significant threat to trees
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Florida panther population booming once again, species recovery possible
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Antarctic biodiversity diminishes as roaming icebergs scour shoreline
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Sensor plays role in Puget Sound water quality monitoring
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Climate change means Arctic warming entail less extreme cold spells
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Obama wants to create world's biggest marine reserve in Pacific Ocean, target illegal fishing
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