Recent blog in the NY Times that highlights ongoing debates about 
the potential land use impacts and associated carbon footprint of 
biofuels.

http://greeninc.blogs.nytimes.com/2008/11/03/the-biofuel-debate-good-bad-or-too-soon-to-tell/#more-437

--
Jason M. Evans, Ph.D.
Postdoctoral Researcher
Department of Wildlife Ecology and Conservation
Adjunct Assistant Professor
Center for Wetlands, College of Environmental Engineering 
Sciences
University of Florida
Newin-Ziegler 319
(352) 846-0148 - office
(352) 328-1199 - cell