Just outside of Lima, Peru, marketing mavens have taken a typical advertising outlet and turned it into an educational and functional medium. What makes this billboard so special is that it yields about 96 litres of drinking water per day.
Through filters, the panel produces clean water from the humidity in the air. “It doesn’t have to come in the shape of a billboard, but ingenuity is key to development”.
Read more to find out how this invention is hydrating desert dwellers, at a cost of about $1200 USD.