[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. This Article highlights key legal issues practitioners should investigate and consider around Leadership in Energy and Environmental Design ratings and green leases.]