Professor of Law. Professor Oren earned his A.B. and J.D. degrees at the University of California (Berkeley) in 1973 and 1976, respectively. While in law school, he served as a note and comment editor of the California Law Review, for which he authored both a note and a comment, and clerked for Justice Matthew O. Tobriner of the California Supreme Court. Following graduation, Professor Oren was an associate with the Chicago firm of Schiff, Hardin & Waite. He has been assistant counsel to the U.S. House Subcommittee on Health and the Environment and a consultant to the U.S. Environmental Protection Agency. Professor Oren has served on National Academy of Sciences committees on protecting visibility in national parks and on evaluating techniques to assess the health risks from hazardous air pollutants. Professor Oren is admitted to the Bars in California, the District of Columbia, Illinois, and New Jersey. Among his publications are "Prevention of Significant Deterioration: Control-Compelling Versus Site-Shifting" (Iowa Law Review) and "The Protection of Parklands from Air Pollution: A Look at Current Policy" (Harvard Environmental Law Review). He recently published a series of articles analyzing the failed Employee Trip Reduction Program under the Clean Air Act. Professor Oren has been a visiting professor at the University of California School of Law (Los Angeles) and at the University of North Carolina School of Law.