"Version: 20200801"--Title page verso.Includes bibliographical references.1. The climate challenge and the solar solution -- 1.1. The big picture : climate change -- 1.2. Why PV : emissions -- 1.3. Why PV : the solar resource -- 1.4. PV today : deployment growth and cost decline2. Market drivers for PV research and development -- 2.1. Capacity cost :3. Opportunities for emerging PV technologies…