Do you think that this might be a viable solution to the issue of providing safe drinking water? Or is unsustainable, and not cost-effective? It might be worth watching Michael Pritchard’s TED Talk from Oxford in 2009.
Do you think that this might be a viable solution to the issue of providing safe drinking water? Or is unsustainable, and not cost-effective? It might be worth watching Michael Pritchard’s TED Talk from Oxford in 2009.