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Trockentoilette und Pflanzenkläranlage retten Leben
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Trockentoilette und Pflanzenkläranlage retten Leben
In armen Ländern sterben Millionen Menschen, weil Fäkalien das Wasser verseuchen. Einfache Technologien wie naturnahe Abwasserentsorgung schützen vor allem die Gesundheit der Kinder.
Video Length: 252
Date Found: October 31, 2010
Date Produced:
View Count: 2
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