Professor Emilios Avgouleas, Chair in Banking Law, delivers the eighth lecture in the 2015 Our Changing World series, entitled From Speculative Finance to Sustainable Finance. In this lecture, Professor Avgouleas will discuss in a free thinking mode, a number of possible solutions to the seemingly intractable problem of how to turn speculative finance into sustainable investment. Recorded on 17 November 2015 at the University of Edinburgh's George Square Lecture Theatre.