About: pollution problem

Premodifier: pollution
Head noun: problem

Same concepts

Broader concepts

label	provenance	confidence
issue	isap:36474674	0.508281

Narrower concepts

label	provenance	confidence
acid rain	isap:6837488	0.799067
particulate matter	isap:444233845	0.717235
puget sound	isap:230404727	0.702805
stormwater runoff	isap:442740979	0.637331
climate change	isap:442812009	0.578502
water pollution	isap:28880453	0.558984
dioxin	isap:449512617	0.421837
water	isap:229905635	0.390847
gas	isap:235890669	0.370866
nitrogen	isap:345384793	0.367724
ozone	isap:222684185	0.285740
river	isap:222957223	0.238848
people	isap:447817742	0.227481
public	isap:449302154	0.196527
world	isap:225721175	0.134809