About: cause of air pollution

Head noun: cause
Postmodifier: of air pollution

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
human activity	isap:362939681	0.633585
road traffic	isap:38440256	0.543922
coal	isap:86870151	0.327316
bus	isap:466436820	0.167707
tree	isap:89807946	0.165859