I would no say the "world", but areas of it has as noted. Like South Asia, SW N America, N Africa and Spain. For many of these areas, desalination could meet

I would no say the "world", but areas of it has as noted. Like South Asia, SW N America, N Africa and Spain. For many of these areas, desalination could meet the gap, but someone will need to pay for it. That is the main issue, no one wants to pay.