Eco Africa: How simple solutions are sometimes best

Eco Africa: How simple solutions are sometimes best

Deutsche Welle (Engl) Deutsche Welle (Engl) Morgen, 07:30 - 08:00 Uhr
Natur und Umwelt30 Minuten 

How sand and ceramic filters could help clean up drinking water in Cameroon; curing livestock with indigenous medicines in Ghana and unclogging drains to beat flash floods in Nigeria.

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