Wallwisher : Biochar YES or NO by Henry Liebling http://www.wallwisher.com/wall/biochar The pros and cons of biochar. Can we save the world by sequestering carbon in the form of charcoal? 5 80 80 /assets/thmbs/weigh.jpg http://www.wallwisher.com/wall/biochar Copyright 2012 Wallwisher Henry Liebling says... http://www.wallwisher.com/wall/biochar Mon, 18 Jan 2010 17:09:59 +0000
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