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  Obama headed to Copenhagen, sets the bar for success 6 Posted 14 hours, 42 minutes ago

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• weeding out weed killer

  Water utilities lack proper filters for weed-killer 2

  Posted 3 months ago

  Results from a federal drinking water monitoring program show that many public water companies are ineffective at removing a widely used weed-killer from their water supplies.

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  Umbra on water filters 10

  Posted 2 years, 5 months ago

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