Biofuels Sustainability: A Biogeochemical Challenge
Phil Robertson, Professor, W.K. Kellogg Biological Station, Michigan State University He talks about the different facets to the economic, environmental, and social sustainability of cropping systems as well as food security. He addresses the doubt some are having about the reliability of biofuels and focuses a lot on biogeochemistry.
Aired: 03/07/08Video has closed captioning.