Books are humanity in print.
Kluwer Academic Publishers, 1995. The benefit to the reader is an awareness of the ecozones which have undergone the most severe land degradation, and a global overview of the phenomena, mechanisms and existing solutions. Aridity and drought have impinged on and shaped dryland human societies for millenia. Both nomadic civilizations and the great agricultural, irrigation-based societies of the world's arid regions were shaped at least partly in response to aridity and drought. This is the question which is considered in this book.