Exponential growth — doing more with less Posted on 15/07/2013 by Trevor Brian Cartwright on the “biochar multiplier factor”. http://tech.groups.yahoo.com/group/biochar-policy/message/4748 Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on LinkedIn (Opens in new window) LinkedIn Like this:Like Loading...