Billboard purifies the air with the power of 1,200 trees

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Regular readers of Springwise may remember our previous coverage of The University of Engineering and Technology (UTEC) in Peru, which created a billboard that captured airborne humidity and filtered it into drinkable water. The institution has now created another environmentally-friendly advertising hoarding, this time in the form of an air purifying billboard that delivers pollution-free air to the surrounding area. The university is currently a new campus in Lima and the atmosphere around the construction site can often be dusty, with small particles of metal, germs and bacteria being propelled into the air. Aside from this, Lima has the highest…

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