Michael B. Gerrard teaches courses on environmental law, climate change law, and energy law, and is director of the Center for Climate Change Law. He is also Associate Chair of the faculty of Columbia University’s Earth Institute. From 1979 through 2008 he practiced environmental law in New York, most recently as partner in charge of the New York office of Arnold & Porter LLP. Upon joining the Columbia law faculty in 2009, he became Senior Counsel to the firm. His practice involved trying numerous cases and arguing many appeals in federal and state courts and administrative tribunals, handling the environmental aspects of numerous transactions and development projects, and providing regulatory compliance advice to a wide variety of clients in the private and public sectors.