Resources Resources for the Future 1616 P St. NW Washington, DC 20036–1400 202.328.5000 • www.rff.org Resources is available to individuals and institutions at no cost. To subscribe, email resources@rff.org or call 202.328.5006. Officers
Phil Sharp, President Edward F. Hand, Vice President for Finance & Administration Lea Harvey, Vice President for Development and Corporate Secretary Molly K. Macauley, Vice President for Research Board of Directors
W. Bowman Cutter, Chair John M. Deutch and Frank E. Loy, Vice Chairs Lawrence H. Linden, Treasurer Board Members
Vicky A. Bailey, Anthony Bernhardt, Trudy Ann Cameron, Red Cavaney, Mohamed T. El-Ashry, Linda J. Fisher, C. Boyden Gray, Rick Holley, Peter R. Kagan, Sally Katzen, Rubén Kraiem, Richard G. Newell, Richard L. Schmalensee, Lisa A. Stewart, Joseph Stiglitz, Mark R. Tercek Chair Emeriti
Darius W. Gaskins, Jr., and Robert E. Grady Resources
Pete Nelson, Director of Communications Sarah Aldy, Editor Ellen A. Walter, Graphic Designer and Production Associate Shannon Wulf, Deputy Director for Government and Public Affairs
Published since 1959, Resources (issn 0048-7376) contains news of research and policy analysis regarding environmental, energy, and natural resource issues. The views offered are those of the contributors and should not be attributed to Resources for the Future, its directors, or its officers. ©2013 Resources for the Future. All rights reserved. No part of this publication may be reproduced by any means, either electronic or mechanical, without permission from the publisher. Contact Pete Nelson at nelson@rff.org. Printed with soy-based inks on 50% recycled (and recyclable) paper containing 25% postconsumer fiber, processed chlorine free, in an FSC-certified plant.
Cover Photo © Ocean/Corbis
Adrienne Young, Managing Editor