Posted on February 22, 2008 by pwintersatbiodotorg
The papers published in Science two weeks ago continue to make headlines, as a quick search of Google News will show. Also this week, oil reached the $100 per barrel mark.
Meanwhile, debate over the Science papers continues, and some truths are out there, as we said when we began this public forum.
Nathanael Greene of the Natural [...]
Filed under: Greenhouse Gas Emission | Tagged: biofuels, carbon debt, greenhouse gas emissions, media, sustainability | No Comments »
Posted on February 19, 2008 by pwintersatbiodotorg
Reaction to the ScienceXpress articles by Searchinger et al. and Tilman et al. has focused on the assumptions the teams of authors used in measuring greenhouse gas emissions from changes in land use. As Michigan State University Professor of Chemical Engineering Bruce Dale points out,
Both of these papers are modeling studies and are therefore [...]
Filed under: Biofuel Technology, Greenhouse Gas Emission | Tagged: biofuels, carbon debt, Faragione, greenhouse gas, Science, Searchinger, sustainable energy | No Comments »
Posted on February 14, 2008 by pwintersatbiodotorg
The Energy Independence and Security Act of 2007 establishes an ambitious renewable fuel standard that increases biofuel production and use to 36 billion gallons by 2022. The standard also mandates that renewable fuels produced in new facilities constructed after enactment of the Act, which occurred in December 2007, “achieve at least a 20 percent reduction in lifecycle [...]
Filed under: Greenhouse Gas Emission | Tagged: biofuel, carbon debt, greenhouse gas, Science, Searchinger, Tilman | No Comments »