About: ozone layer depletion

Premodifier: ozone layer
Head noun: depletion

Same concepts
http://dbpedia.org/resource/Ozone_depletion

Broader concepts

label	provenance	confidence
environmental issue	isap:13445327	0.833516
problem	isap:27448153	0.817285
issue	isap:13445326	0.579087

Narrower concepts

label	provenance	confidence