Category: Solar

clean water

we can build big dams and drill wells with sustainable rain catchment/sand filtration system that runs and is controlled by solar powered equipment that can purify and pump out gallons of water to the needy.

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4 votes

Category: Filtration

Chris Hughes

Many areas in Africa have seasonal rainfall the simple construction of Dams , using clay from termitè mounds , these are found in most places , any seasonal streams can be ďamed using simple farm tools, a channel is thèn ďug , a perforated plastic pipe installed , covered with gravel 15 centimetres , toped with clay .The result çheap construction , clean water !

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3 votes