His research focus is on social and environmental accounting. It ranges from exploring the capital market effects of environmental related accounting rules and securities regulations to the triple bottom-line implications of energy policy at the grass-roots level. His teaching focuses on preparing students for careers in which social, environmental and ethical considerations are becoming more and more important. This applies whether they aspire to work as financial analysts, to work in the rapidly growing area of sustainability reporting and auditing, or to work in more traditional accounting related jobs.