<http://caligraph.org/ontology/Environmental_treaty>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Climate_change_treaty>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_treaty> .
<http://caligraph.org/ontology/Water_treaty>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_treaty> .
<http://caligraph.org/ontology/Environmental_treaty>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Environmental_treaties> .
<http://caligraph.org/ontology/Environmental_treaty>	<http://www.w3.org/2000/01/rdf-schema#label>	"Environmental treaty" .
<http://caligraph.org/ontology/Environmental_treaty>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Treaty> .
<http://caligraph.org/ontology/Waste_treaty>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Environmental_treaty> .