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Does Biochar Deliver Carbon-Negative Energy?

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Uploaded on Jun 7, 2010

(May 19, 2010) Johannes Lehmann, Associate Professor of soil biogeochemistry at Cornell University, discusses the characteristics of naturally occurring terra preta including its agricultural and carbon sequestering benefits and then turns to considering the factors involved with implementation industrial biochar systems for large-scale carbon sequestration and energy provision.

Stanford University
http://www.stanford.edu

Biogeochemistry at Cornell University
http://www.biogeo.cornell.edu/

Stanford Energy Seminar
http://energyseminar.stanford.edu

Stanford University Channel on YouTube
http://www.youtube.com/stanford

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