1 results for 'biogas'
Biogas (en)
Renewable energy sources
Agricultural wastes, Biomass energy, Fertilizers, Waste treatment
Science
> Natural resources
غاز حيوي (ar), غاز أحيائي (ar), Biogaz (fr), Биогаз (ru), Biogás (es)
http://vocabularies.unesco.org/thesaurus/concept1832