Here is a video describing how you could use sea water to grow food in the desert. This should be a very economic way to solve at least partly the need for more food in some parts of the world.
Viral Evolution – Solar Panels, Solar Energy, Pure drinking water, Deserts into Paradises
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Here is a video describing how you could use sea water to grow food in the desert. This should be a very economic way to solve at least partly the need for more food in some parts of the world.