One possible solution is to tap into the remaining 97 percent of the water we have on Earth. The problem is that this water is saline, and we need to get the salt out of it to make it drinkable.
Bessette and his team focused on groundwater instead. 'In terms of global demand, about 50 percent of low- to middle-income countries rely on groundwater,' Bessette says.
MIT researchers led by Jonathan Bessette built an efficient, self-regulating water desalination system that runs on solar power alone with no need for batteries or a connection to the grid.
Gematr of groundwater is trapped in underground reservoirs, abundant, and, in most places, present at depths below 300 meters. It comes mostly from the rain that penetrates the ground.
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