Watch out Dean Kamen & Stephen Colbert!
Another awesome step into cleaning up water around the world, and probably much more cost-effective!
Ground & toasted banana peels may just be in your next kicka** water filter.
Further deets at the links.
Go Brazil!!
Photo Credits: “silver metal trefoil texture”, by Christa Richert
Links:
NatGeo-Brazilian Water Filtration
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