PROLOGUEThe Question That Started It All …

Does all this make you happy?— Maasai elder

Richard explains how it all began.

Late one afternoon, on a trek through the highlands along the edge of the Serengeti Plains in East Africa, I experience a breakthrough.

East Africa is suffering one of the worst droughts in history. The vast plains are parched, stripped to dust. River beds run bone dry. Fields of lush grass have been reduced to patches of stiff straw, and the myriad flowers, normally painted in deep shades of green, blue, and mauve, are bleached of all color. Only the dust devils, whirling high overhead and then touching down on the hard, fractured ground, seem to prosper.

In the distance, over the scorched Serengeti, move enormous herds of ...

Get Repacking Your Bags, 3rd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.