Drinking Water from a Billboard

[youtube.com/watch?v=35yeVwigQcc&w=525&h=394]

The capital of Peru, Lima, and its surrounding villages are considered coastal deserts. The region has close to zero rainfall during the year (averaging around .5 inches yearly). This lack of rainfall has led to limited fresh water availability in the region. However, despite the lack of rainfall, there is roughly 98% air humidity year round.

Engineers in the region have found a solution to the problem through the use of a billboard. The billboard uses unique technology which captures humidity from the air, then converts the humidity into drinking water through the use of reverse osmosis. So far, the billboard has produced almost 2,500 gallons of drinking water in the past 3 months. The developers of the billboard believe that this technology could be put into place in various regions, helping to bring fresh water into areas where there was none.

(Source: Latin American Herald Tribune )

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