Biofuels Source Is Carbon-Negative (IMAGE)
Caption
A restored prairie with a diversity of species. This image relates to article that appeared in the 08 December 2006 issue of the journal Science, published by AAAS. The study, by Dr. David Tilman, University of Minnesota in St. Paul, MN and colleagues, was titled "Carbon-Negative Biofuels from Low-Input High-Diversity Grassland Biomass."
Credit
Photo provided by Dr. Clarence Lehman, University of Minnesota, via <i>Science</i>-AAAS.
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