Is it possible to bring water to the desert? To force a cloud to burst into rain when and where you want?

And if it is possible, what are the ethical questions of actually doing it?

In the Drawing Room, Tuija Halttunen talks about her new documentary, How To Kill a Cloud, which follows the work of a Finnish scientist, Hannele Korhonnen, who received a grant from the United Arab Emirates to work on the science of cloudseeding