National Mall November 6, 2019 7:16 pm

New Technology Uses Oxygen, Ozone to Clean Constitution Gardens Pond

After decades of neglect, the Constitution Gardens pond on the National Mall will get a much-needed cleaning. News 4’s Cory Smith explains why scientists are turning to new technology to fix a problem in the water.

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DC sues landlord over ‘deplorable, inhuman' living conditions at 2 NE buildings
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DC sues landlord over ‘deplorable, inhuman' living conditions at 2 NE buildings
DC lawmakers react to news of stadium deal under negotiation: The News4 Rundown
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DC lawmakers react to news of stadium deal under negotiation: The News4 Rundown
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‘I have my life': Laurel fire forces 12 families out of their homes
DC lawmakers react to news of potential Commanders stadium deal
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DC lawmakers react to news of potential Commanders stadium deal
Dad, son to run from New York to DC to raise awareness for people with disabilities
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Dad, son to run from New York to DC to raise awareness for people with disabilities
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