AGRICULTURE:
Sustainable Biofuels Redux
G. Philip Robertson,1* Virginia H. Dale,2 Otto C. Doering,3 Steven P. Hamburg,4 Jerry M. Melillo,5 Michele M. Wander,6 William J. Parton,7 Paul R. Adler,8 Jacob N. Barney,9 Richard M. Cruse,10 Clifford S. Duke,11 Philip M. Fearnside,12 Ronald F. Follett,13 Holly K. Gibbs,14 Jose Goldemberg,15 David J. Mladenoff,16 Dennis Ojima,17 Michael W. Palmer,18 Andrew Sharpley,19 Linda Wallace,20 Kathleen C. Weathers,21 John A. Wiens,22 Wallace W. Wilhelm23
Science-based policy is essential for guiding an environmentally sustainable approach to cellulosic biofuels.
1W. K. Kellogg Biological Station and Department of Crop and Soil Sciences, Michigan State University, Hickory Corners, MI 49060, USA.
2Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6036, USA.
3Department of Agricultural Economics, Purdue University, West Lafayette, IN 47907, USA.
4Center for Environmental Studies, Brown University, Providence, RI 02906, and Environmental Defense Fund, Boston, MA 01028, USA.
5The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543, USA.
6Natural Resources and Environmental Sciences, University of Illinois, Urbana, IL 61801, USA.
7Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523-1499, USA.
8Pasture Systems and Watershed Management Research Unit, U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS), University Park, PA 16802, USA.
9Department of Plant Sciences, University of California, Davis, CA 95616, USA.
10Department of Agronomy, Iowa State University, Ames, IA 50011, USA.
11Ecological Society of America, Washington, DC 20036, USA.
12National Institute for Research in the Amazon (INPA), Manaus, Amazonas, CEP 69011-970, Brazil.
13Soil Plant Nutrient Research, USDA-ARS, Fort Collins, CO 80526-8119, USA.
14Center for Sustainability and the Global Environment (SAGE), Nelson Institute for Environmental Studies, University of Wisconsin-Madison, Madison, WI 53726, USA.
15Instituto de Eletrotécnica e Energia, University of São Paulo, São Paulo, Brazil.
16Department of Forest and Wildlife Ecology, University of Wisconsin, Madison, WI 53706, USA.
17The H. John Heinz Center for Science, Economics, and the Environment, Washington, DC 20006, USA.
18Department of Botany, Oklahoma State University, Stillwater, OK 74078, USA.
19Department of Crop, Soil and Environmental Sciences, University of Arkansas, Fayetteville, AR 72701, USA.
20Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019, USA.
21Cary Institute of Ecosystem Studies, Millbrook, NY 12545, USA.
22PRBO Conservation Science, Petaluma, CA 94954, USA.
23USDA-ARS, University of Nebraska, Lincoln, NE 68583, USA.
*Author for correspondence. E-mail: robertson{at}kbs.msu.edu
