<div dir="ltr">This is a wonderful project.  I am not sure where they are getting the biochar.<div><br></div><div><a href="http://www.4culture.org/2014/03/experience-cougar-mountains-black-forest-on-march-15/">http://www.4culture.org/2014/03/experience-cougar-mountains-black-forest-on-march-15/</a> <br>
</div><div><br></div><div>Francesco</div></div>