SCHOOL BUILT FROM PLASTIC BOTTLES
A plastic school might sound like it’s better suited for Barbies than for people, but the technology—developed by the Guatemalan nonprofit Pura Vida—is actually quite clever and allows for schools to be built for less than $10,000.
The plastic bottles are stuffed with trash, tucked between supportive chicken wire, and coated in layers of concrete to form walls between the framing. The bottles make up the insulation, while more structurally sound materials like wood posts are used for the framing.
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