For decades it’s been hoped that seawater could be desalinated at scale, to provide drinking water and irrigate crops. But desalination plants still only provide a fraction of the world’s fresh water, largely because they’re expensive to build and use a lot of energy. But as the FT’s Gill Plimmer explains, advances in technology and green energy efficiency mean desalination is now becoming a more viable proposition.
#desalination #water #greentechnology
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