diff --git a/src/envo/envo-edit.owl b/src/envo/envo-edit.owl
index 29110a70..fa0f587f 100644
--- a/src/envo/envo-edit.owl
+++ b/src/envo/envo-edit.owl
@@ -3610,6 +3610,8 @@ Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105010>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105011>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105012>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105013>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105014>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105015>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105019>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105022>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105023>))
@@ -40513,6 +40515,38 @@ AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <htt
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105013> "marine biota"@en)
 SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105013> <http://purl.obolibrary.org/obo/ENVO_06105012>)
 
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105014> (biodegradation)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://doi.org/10.1351%2FPAC-REC-10-12-04>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105014> "A biological process during which a material entity is broken down."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105014> <https://orcid.org/0000-0002-2996-719X>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105014> <https://orcid.org/0000-0003-1072-8081>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105014> <http://orcid.org/0000-0002-8166-0486>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105014> "2021-05-06T12:15:46Z"^^xsd:dateTime)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105014> "Biodegradation"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105014> "Biologischer Abbauprozess"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105014> "biodegradación"@es)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105014> "biodegradazione"@it)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105014> "生物分解"@zh)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <http://purl.obolibrary.org/obo/ENVO_06105014> "envoPlastics"@en)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105014> "biodegradation"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105014> <http://purl.obolibrary.org/obo/GO_0008150>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105015> (biodegradation of plastic)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://doi.org/10.1016/j.matpr.2020.06.096>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105015> "A biodegradation process during which plastic is broken down."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105015> <https://orcid.org/0000-0002-2996-719X>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105015> <https://orcid.org/0000-0003-1072-8081>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105015> <http://orcid.org/0000-0002-8166-0486>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105015> "2021-05-06T12:17:43Z"^^xsd:dateTime)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105015> "Biologischer Plastikabbauprozess"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105015> "biodegradación del plástico"@es)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105015> "biodegradazione della plastica"@it)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105015> "biological degradation of plastics"@en)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <http://purl.obolibrary.org/obo/ENVO_06105015> "envoPlastics"@en)
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://doi.org/10.1016/j.matpr.2020.06.096>) rdfs:comment <http://purl.obolibrary.org/obo/ENVO_06105015> "Biodegradation of plastic will lead to reduce molecular weight of that plastic."@en)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105015> "biodegradation of plastic"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105015> <http://purl.obolibrary.org/obo/ENVO_06105014>)
+
 # Class: <http://purl.obolibrary.org/obo/ENVO_06105019> (quality of a foam)
 
 AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://en.wikipedia.org/wiki/Foam>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105019> "A physical quality which inheres in a liquid or solid bearer by virtue of that bearer trapping a gas in a colloidal suspension throughout its volume."@en)