Here is a brief account by Seth M Siegel of the history of Israel’s work since the 1950s to tackle the scourge of drought in the developing world. Mr Siegel’s new book “Let There Be Water: Israel’s Solution for a Water-Starved World is published this week.

http://mosaicmagazine.com/observation/2015/09/from-africa-to-china-how-israel-helps-quench-the-developing-worlds-thirst/