About: cleaner alternative

Premodifier: cleaner
Head noun: alternative

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
natural gas	isap:111858858	0.895885
wind power	isap:207631042	0.761373
energy efficiency	isap:315399826	0.743298
nuclear power	isap:207631052	0.600708
gas	isap:111858865	0.311002