This desalination device delivers cheap, clean water with just solar power

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In a coastal city in Namibia, a small shipping container near the beach sits surrounded
by solar panels. Inside, new technology uses that solar power
to turn ocean water from the Atlantic into drinking water.

Namibia is in the middle of a prolonged drought. The president recently declared the second state of emergency in three years because the lack of rain is leading to severe food shortages. But if scaled up, this technology could help supply households and agriculture with fresh water. The basic tech that it uses for desalination, called reverse osmosis, isn’t new. But because the system can run on solar power, without the use of batteries, it avoids the large carbon footprint of a typical energy-hungry desalination plant. It’s also significantly cheaper over the lifetime of the system.

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