{
  "id": "RL34235",
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  "number": "RL34235",
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  "source": "University of North Texas Libraries Government Documents Department",
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      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc811750/",
      "id": "RL34235_2007Oct31",
      "date": "2007-10-31",
      "retrieved": "2016-03-19T13:57:26",
      "title": "Air Pollution as a Commodity: Regulation of the Sulfur Dioxide Allowance Market",
      "summary": null,
      "type": "CRS Report",
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      "topics": []
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  "topics": [
    "Economic Policy",
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    "Environmental Policy"
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