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David D. Doniger

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  • Last Aired

    Ozone Depletion

    Two panels of experts gave testimony on the current status of the earth’s ozone layer. Findings by NASA about the accelerated rate of depletion of the upper atmospheric ozone layer were anal…

    767 views
  • Last Aired

    Air Pollution & Hazardous Waste Management

    Government and industry experts discussed lowering pollutants in the air and proper disposal of hazardous waste. They answered audience questions.

    149 views