{"id":"S2006001869","label":"Sustainable engineering","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006001869","normalized_label":"sustainable engineering","broader":["http://id.loc.gov/authorities/subjects/sh85043176","http://id.loc.gov/authorities/subjects/sh94001791"],"aliases":["Engineering sustainability","Green engineering"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006001869","provider":"lcsh","revision":"308a2cd514004fc4","taxonomy_revision":"f050b5d4780b1289","title":"Sustainable engineering","url":"/topics/S2006001869","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326524177362330212","address_version":"morton4x16-v1","coordinates":[0,478,17571,13312],"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}