About: atmospheric pollution

Premodifier: atmospheric
Head noun: pollution

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

Broader concepts

label	provenance	confidence
matter	isap:135020334	0.681973
contaminant	isap:421997	0.612498
factor	isap:133645497	0.588419
issue	isap:14659819	0.519705
problem	isap:28880606	0.439123

Narrower concepts

label	provenance	confidence
acid rain	isap:290267956	0.739861