drought
- UF fight against drought
52ENVIRONMENT- MT
5216deterioration of the environment - BT1 natural disaster
- BT2 degradation of the environment
- RT acidification (
5216) - RT arid zone (
5211) - RT Sahel (
7221)
Mapping
- EXM agrovoc: Agrovoc (FAO - Food and Agriculture Organization)
- EXM gemet: GEMET (GEneral Multilingual Environmental Thesaurus - EEA)
- EXM unbis: Unbis (United Nations Thesaurus)
- EXM unesco: UNESCO (United Nations Educational, Scientific and Cultural Organization)
- EXM zbw: ZBW (Thesaurus for Econmics)
English)