According to the latest report by the World Health Organization, nearly two billion people lack access to clean drinking water. To address this problem, researchers from UC Berkeley and MIT have created a solar-powered device that can be used in places like the desert to harvest water from a relatively untapped resource: air, which contains an estimated 13,000 trillion liters of water.
To be fair, the idea of harvesting water from air isn’t new. Companies such as Warka Water, EcoloBlue and Water Gen have already shown that this can be done. However these water-acquisition systems usually require certain conditions in order to work, such as high humidity levels or a power source. The team behind the solar harvester, led by UC Berkeley’s Omar Yaghi, wanted to develop a solution that could be used even by those living in arid and drought-hit regions without access to electricity. Read more
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