Billboards: Not Just for Advertising but for Producing Water
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The University of Engineering and Technology (Lima, Peru) has teamed up with advertising agency Mayo DraftCFB to showcase the ingenuity of engineering at work by tackling the lack of drinking water availability in the capital due to their desert climate. The billboard harvests water by taking advantage of the high atmospheric humidity, and turns filtered air into drinking water that is stored at the bottom of the billboard with the use of five generators. The billboard has been producing 96 liters of water daily and is probably the greenest billboard around.
Date and Source: February 27, 2013, Smart Planet and Grist Environmental News
