Two articles recently published in the journal, Science, continue the debate over whether biofuels contribute to increased or decreased greenhouse gas emissions. See:
Searchinger T, Heimlich R, et al. (2008). Use of Use of U.S. Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land-Use Change. Science; 319(5867): 1238 – 1240. DOI: 10.1126/science.1151861
Fargione J, Hill J, et al. (2008). Land clearning and the biofuel carbon debt. Science;319(5867): 1235 – 1238. DOI: 10.1126/science.1152747
