Greening the Grey calls for expanding the Green Revolution to the semi-arid drylands of Africa and Asia and making agriculture an effective engine for growth for smallholder farmers threatened by 'Big Food Big Agriculture' and globalised food chains. It narrates the pioneering efforts of the International Crop Research Centre for Semi-Arid Tropics (ICRISAT) and the broad array of its partners working hand-in-hand with the dryland farming poor, overcoming major challenges with dedication, creativity and good cheer through 'Science with a Human Face'. The book aims at invoking a renewed understanding and recommitment to the fundamental role of agriculture in the development process in helping to transform the grey world of dryland poverty, food insecurity and despair, into a green one of food security, health and prosperity. William D. Dar is a world-renowned agriculture scientist who worked for 15 years as Director General of ICRISAT at Hyderabad. Earlier he served as the secretary of Agriculture in the Philippines A man on a mission and a champion of the poor, William D. Dar is committed to alleviating the conditions of the poor living in the drylands of Asia and sub-Saharan Africa. Arun K. Tiwari is missile scientist turned technology manager. A pupil of Dr. A.P.J. Abdul Kalam, he pioneered the development of affordable medical devices as defence technology spinoffs. A teacher and mentor for hundreds of biomedical engineers, he is committed to making India the hub for developing affordable products through the convergence of Bio-Nano-Info-Cogno technologies for the benefit of the people of the developing world. This is their second book together after, Feeding the Forgotten Poor, which was published in 2011.