About: ecological catastrophe

Premodifier: ecological
Head noun: catastrophe

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
global warming	isap:66167156	0.752872
acid rain	isap:417438650	0.602518
climate change	isap:453168834	0.594585