Michael Gerrard Columbia Law School Michael B. Gerrard is a professor of environmentallaw at Columbia Law School and director of its newCenter for Climate Change Law. Until late 2008 hewas managing partner of the New York City office ofArnold & Porter LLP, where he is now senior counsel.He is author or editor of seven books, including GlobalClimate Change and U.S. Law, the leading book in thefield. He was 2004–2005 chair of the ABA’s Section of Environment,Energy and Resources.