{"id":"S2009103138","label":"Environmental economics--United States","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009103138","normalized_label":"environmental economics--united states","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009103138","provider":"lcsh","revision":"4aa0a154b699b06d","taxonomy_revision":"f050b5d4780b1289","title":"Environmental economics--United States","url":"/topics/S2009103138","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9223512801828562466","address_version":"morton4x16-v1","coordinates":[0,479,492,34816],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}