Paul was named in 2006, with Hank Paulson, formerly Chairman and CEO of Goldman Sachs and now United States Treasury Secretary, as one of the five most influential world figures in the development of Sustainable Banking. He has lectured and published widely and is the author or co-author of many legal text books, the latest is on Climate Change: A Guide to Carbon Law and Practice is prefaced by HRH The Prince of Wales, collections of essays on the law, reports for government, government agencies and the United Nations and articles in leading academic, legal and professional journals. Paul is a former Visiting Professor and a Fellow of the Centre for Environment Law at the University of Aberdeen. He lectures on Legal Risks and Financial markets on LSE's LL.M course. Paul was the principal author of the 2005 Freshfields report on fiduciary duties of pension funds and the integregation of environmental, social and governance issues in investment decision-making for the United Nations Environmental Programme Financial Institutions. He has lectured and published widely on this subject and has advised the Prince of Wales's Trust on it. He is assisting the UNEP FI currently on updating the Freshfields report to reflect changes in law, policy and practice on this question since 2005.