Sonoma Biochar Initiative hosted the 2012 US Biochar Conference
For more on their work visit the SonomaBiocharInitiative.org website.
Dr. Larson is a founding board member of USBI and a member of the IBI Advisory Council. He is the present coordinator of the Yahoo list "Biochar-policy", and the first coordinator of several earlier Biochar lists (starting in 2006) and the "stoves" list (beginning in 1996). He is a Fellow and former chair of ASES (American Solar Energy Society).