In this revealing interview, Georg Kell reflects on three decades of sustainability, and highlights some of the most important changes he has seen over this time. He shares his views on the key role of corporates in dealing with the global environmental challenges we are now facing—while recognizing their role in creating these problems. In this interview, Georg focusses on three key forces reshaping markets: technology and automation, the issue of natural boundaries and, finally, changes in governance–and he explores the implications for markets, corporations and sustainability. Georg also discusses the role of finance– which he believes is now overtaking and giving direction to the corporate sustainability agenda. This is an essential interview—a fascinating perspective from a key figure at the heart of the development of today’s sustainability agenda.