{ "items" : [
    { "id" : "http://dbpedia.org/resource/Acid_Rain_Program"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Acid Rain Program is a market-based initiative taken by the United States Environmental Protection Agency in an effort to reduce overall atmospheric levels of sulfur dioxide and nitrogen oxides, which cause acid rain. The program is an implementation of emissions trading that primarily targets coal-burning power plants, allowing them to buy and sell emission permits (called \"allowances\") according to individual needs and costs."] } } }
