Study warns against hyping carbon-fixing biochar

Technology News (Nov 29 2010) Emissions , Fossil Fuel

1. Of all the approaches to cutting carbon emissions, making charcoal and putting it in the ground as fertilizer would seem one of the least controversial. But a report published today offers words of caution around expecting too much from biochar. Biochar, also called man-made charcoal, is made by decomposing plants and other organic materials into charcoal through pyrolysis, or slowly burning biomass at high temperatures with no oxygen. The resulting biochar can be used as a soil fertilizer, a technique used by ancient civilizations in the Amazon. (Read Full Article)

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