About: mercury pollution

Premodifier: mercury
Head noun: pollution

Same concepts
http://dbpedia.org/resource/Mercury_(element)

Broader concepts

label	provenance	confidence
environmental threat	isap:136063595	0.757922
issue	isap:14659726	0.680824
environmental impact	isap:136202407	0.556622
source	isap:135801961	0.470329
threat	isap:136063559	0.469248
problem	isap:28880382	0.435795
effect of coal combustion	isap:135291030	0.255842

Narrower concepts

label	provenance	confidence