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Tag Archives: lifecycle analysis
More Models to Measure Land Use Change
As the U.S. EPA and California’s Air Resource Board seek to implement their respective Renewable and Low-Carbon Fuel Standards, economists continue to refine models to measure and predict indirect land use change emissions associated with biofuels. Many of the original critiques of the Searchinger paper in Science that initiated this debate commented on the uncertainty in attributing indirect land use change to biofuels. Prof. Roger Sylvester-Bradley of ADAS UK Ltd., for instance, summarizes many of Read More >
Biofuels & Climate Change
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Tags: California Air Resources Board, Climate Change, environmental protection agency, Greenhouse Gas Emission, greenhouse gas emissions, indirect land use change, Land Use, Land Use Change, life cycle analysis, lifecycle analysis, Low Carbon Fuel Standard, renewable fuel standard, Searchinger, U.S. EPA, Wallace Tyner
Tags: California Air Resources Board, Climate Change, environmental protection agency, Greenhouse Gas Emission, greenhouse gas emissions, indirect land use change, Land Use, Land Use Change, life cycle analysis, lifecycle analysis, Low Carbon Fuel Standard, renewable fuel standard, Searchinger, U.S. EPA, Wallace Tyner
UK Study Highlights Uncertainty in Calculating Indirect Land Use Emissions
Britain’s Renewable Fuels Agency this week released the Gallagher Review, a report on the indirect effects of biofuels production that was prompted by the Searchinger and Fargione studies published in Science earlier this year. (See this blog’s earlier post on the forthcoming study.) The summary of the conclusions of the Gallagher Review include some very telling comments: Quantification of GHG emissions from indirect land-use change requires subjective assumptions and contains considerable uncertainty. “Current lifecycle analyses Read More >
Indirect Land Use Thoughts
Dear Colleagues: I have spent a lot of time the last few weeks trying to think through the indirect land use change (ILUC) issue. I have divided my thoughts into two questions that I am asking myself: 1) are we in fact currently able to estimate these changes with any degree of confidence?, and 2) if we could estimate such changes, would it be a good idea to base policy on those estimates? My current Read More >
Is the Debate on Land Use Over?
The full implications of the German Marshall Fund and Nature Conservancy articles in Science and the agenda and arguments of environmental and conservation advocates are coming more into focus. Consider comments posted by Nathanael Greene of the Natural Resources Defense Council on his Switchboard: While we still do not have international protocols that pay to protect or simply prohibit clearing of carbon rich lands, emissions from cleared land driven by marginally higher demand is simply Read More >
