Ecological sanitation
[ar] الصرف الصحي البيئي
[ca] Sanejament ecològic
[de] Ecosan
[es] Saneamiento ecológico
[eu] Saneamendu ekologiko
[fr] Assainissement écologique
[pt] Saneamento ecológico
[ru] Экосанитария
[tr] Ekolojik sanitasyon