Biografía del autor Elizabeth Fisher is Professor of Environmental Law at Corpus Christi College, University of Oxford. She is the author of the award-winning Risk Regulation and Administrative Constitutionalism (2007) and Environmental Law: A Very Short Introduction (2017).Sidney A. Shapiro is Frank U. Fletcher Chair in Administrative Law at Wake Forest University. He is co-author of ten books, including Achieving Democracy: Pragmatism, Regulation and Markets (2014), Risk Regulation at Risk: Restoring A Pragmatic Approach (2003), and Administrative Law and Procedure (6th Edition, 2019).