[Editors' Summary: This Article is adapted from The Law of Green Buildings: Regulatory and Legal Issues in Design, Construction, Operations, and Financing ch. 2 (J. Cullen Howe & Michael B. Gerrard eds., 2010). Copyright © 2010 by the American Bar Association and co-published with ELI Press. Reprinted by permission. This book provides an overview of green building law from a variety of well-known attorneys and other professionals in the green building field. These legal issues are likely to evolve quickly—and perhaps radically—in the coming years.