Category Archives: Environmental & Industrial

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What Do You Know, Oil Does Cause Land Use Change

In a recent post, I questioned the apparent assumption in the current debate over greenhouse gas emissions from biofuels that petroleum gasoline production does not have an effect on land use change. It turns out there is a well-developed literature on the direct land use change effects of oil exploration in the Amazon and South America. Chris W. Baynard of the University of North Florida Department of Geology presented a study, “Venezuela’s Heavy Oil Belt: Read More >

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Life Cycle Analysis, International Land Use Change and Uncertainty

Bruce Dale, University Distinguished Professor of Chemical Engineering at Michigan State University, shared this presentation that he gave during a webinar hosted by the North Central Bioeconomy Consortium. In it, he highlights the number of factors in Life Cycle Analysis and Indirect Land Use Change (ILUC) models that produce uncertainty – in other words, if the assumptions or data for these factors change, how much do the results change. Dale is primarily examining the “carbon Read More >

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Does Oil Cause Indirect Land Use Change?

I’ve been paying a lot of attention recently to new analyses attempting to model carbon emissions from indirect land use change, which is the conversion of land needed to maintain an international balance of supply and demand for agricultural crops, an effect that is heavily determined by crop prices. These new analyses raise a question about the existing assumption that oil has zero effect on land use change. Tim Searchinger, the lead author of one Read More >

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2008 is a Good Year for Algae

And we’re not just talking about sushi here.  According to Greentech Media 2008 has been a banner year for venture capital financing of algae based biofuel companies. $179.5 million to date, according to numbers from the Cleantech Group. That compares with what appears to be about $32 million raised last year, based on a Cleantech Group chart of quarterly totals that doesn’t list the actual numbers And, elsewhere in the blogosphere algae biofuels are getting Read More >

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10 Questions for POET on Ethanol

earth2tech emailed 10 questions to POET’s CEO, Jeff Broin. Ranging from, Do you favor one presidential candidate’s biofuel and energy policy over the other, and if so, which one? to In the great debate over how much corn ethanol is affecting food prices, what do you think about some newer reports that have said biofuels have affected food prices significantly? Drop in and check out the answers.

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