{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/191948180"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "century environmental challenges.New Haven, Conn. -- On Tuesday, Oct. 12, the Earth's population is expected to.reach six billion and Yale population expert Fred Meyerson says that unless.action is taken, projected future population growth will lead to increased.pressure on scarce resources such as land and water. . .The two most important environmental challenges in the next century are likely.t" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "bio-medicine.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/456046162"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/191948180" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/291406275"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/191948180"] } } }
