A handful of carbon
Biochar - Magazine ArticleAuthor: Johannes Lehmann
Author Affiliation: Cornell University
Submitted: Fri, 11/07/2008 - 00:17
Published in: Nature on May 2007
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Copyright Status: Not disclosed Description:
To meet the challenges of global climate change, greenhouse-gas emissions must
be reduced. Emissions from fossil fuels are the largest contributor to the anthropogenic greenhouse effect, so a reduction in fossil-energy use is a clear priority. Yet, because some emissions will be unavoidable, a responsible strategy also means actively withdrawing carbon dioxide from the atmosphere. Such carbon sequestration faces multi-faceted challenges: the net withdrawal of carbon dioxide must be long term and substantial, the process must be accountable and must have a low risk of rapid or large-scale leakage. One near-term technology that can meet these requirements is biochar sequestration. When combined with bioenergy production, it is a clean energy technology that reduces emissions as well as sequesters carbon. In my view, it is therefore an attractive target for energy subsidies and for inclusion in the global carbon market. Login to post comments
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