Resources: Blogs and Forums

Wood Charcoal Material and Safety Data Sheet
http://www.sciencelab.com/msds.php?msdsId=9923389

Online Forums:
Biochar.Newsvine
Hypography Science Forum - Terra Preta
Terra Preta recipes and results

Biochar.info Biochar discussion on Google
Sustainable Agriculture Network Discussion Group - Terra Preta SANET

The Permaculture Research Institute, Charcoal agriculture - Biochar - Amazonian Dark Earth

iVillage Gardenweb Terra Preta Discussion

Blogs:
Transect Points, Philip Small

FAQs:
Gardening with Biochar FAQ, Philip Small