While on sabbatical during the 2007-2008 academic year, I began work on a casebook on Global Environmental Law, in cooperation with Professor Tseming Yang of Vermont Law School. During the spring semester 2008 I taught as a Fulbright scholar at the China University of Political Science and Law in Beijing. This university is the home of my friend Professor Wang Canfa, who directs an environmental law clinic and the Center for Legal Assistance to Pollution Victims, an NGO that has been active in seeking judicial redress for China's burgeoning pollution problems. I am now back at the University of Maryland School of Law. During the spring semester 2009 I taught Constitutional Law and a seminar on Global Environmental Law at Maryland. I also served as a visiting professor at Harvard Law School where I taught Environmental Law during the spring semester 2009.