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Biochar Burners
can bucket barrel tank masonry mound mobile industrial
BEC 1000

design by Biochar Engineering, Golden, Colorado
August 2009

webpage under construction

Friday, November 13
Carbon Negative
Biochar Symposium
Strategy to Save Our Planet

at
University of Massachusetts Amherst
KEYNOTE SPEAKER
Dr. Johannes Lehmann
Cornell University

world leading expert on Terra Preta
DON'T MISS THIS EVENT
to register to volunteer
simplest of the simple
2-Barrel Retort
design by Folke Gunther, Sweden PHOTO 1:


David Yarrow dyarrow@nycap.rr.com www.carbon-negative.us updated 12/15/2008