Input: Relationship: 'be professor at', Argument/Subject 1: 'bjorn lomborg', Argument/Subject 2: 'copenhagen business school'

Answer: Dr. Bjorn Lomborg is adjunct professor at the Copenhagen Business School and author of the best-selling " The Skeptical Environmentalist " in which he challenged mainstream concerns about the environment and pointed out that we need to focus attention on the most important problems first .