James C. Hathaway James E. and Sarah A. Degan Professor Emeritus of Law Don Herzog Edson R. Sunderland Professor of Law Catharine A. MacKinnon Elizabeth A. Long Professor Emerita of Law Barbara L. McQuade Professor from Practice Nina A. Mendelson Joseph L. Sax Collegiate Professor of Law Co-director, Environmental and Energy Law Program Julian Davis Mortenson James G. Phillipp Professor of Law