[christophilus]

> Noone is going to show up to a village in the middle of Ghana and install solar panels for free so they can have water.

There are plenty of organizations who will do exactly that. But I think I agree with the general slant of your comment, which is that much of the world will have to rely on the charity of the developed world to solve this problem for them. That charity is not guaranteed to be timely, effective, or predictable.