Clark Abt is an engineer, educator, environmentalist, entrepreneur, and social scientist. He received his BS in industrial engineering from MIT, his MA from Johns Hopkins University, and his PhD from MIT. He founded an interdisciplinary socio-economic policy research company, Abt Associates, in 1965, which grew into a leading international applied socio-economic research firm. He retired as CEO in 1986. Following his retirement, Abt published more than 100 social science and policy research books and CD-ROMs under the Abt Books imprint. He was a professor of international relations and director of the Center for the Study of Small States and the Defense Technology Conversion Center at Boston University. Following the attacks of September 11, 2001, Abt directed studies on nuclear and biological terrorism defenses for the United States government. In 2006, he was appointed Distinguished Professor of Management at Cambridge College, where he taught research methods, health care policy and ethics, and terrorism and disaster management. He has also taught at the Benjamin Franklin Institute of Technology and Brandeis University?s Heller School of Social Policy and Management. He is the author of 10 books including Serious Games (1970), The Evaluation of Social Programs (1976), The Social Audit for Management (1977), Costs and Benefits of Applied Social Research (1979), Termination of a Nuclear War (1986), and Solar-Powered Economic Growth (1999). His current interests lie in the relationship between energy, the environment, and economic development, and how climate change can be avoided or mitigated, at both the local and global level.