Links
Biochar - Wikipedia
Soil Charcoal Amendments maintain Soil Fertility and establish a Carbon Sink
CSIRO Biochar Factsheet
Does Biochar Deliver Carbon-Negative Energy? - By Johannes Lehmann
International Biochar Initiative
Biochar.org
UK Biochar Research Centre
British Biochar Foundation
European Biochar Research Network (eBRN)
Pioneer Valley Biochar Initiative
Sonoma Biochar Initiative
US Biochar News
Australia and New Zealand Biochar Researchers Network
New Zealand Biochar Research Centre
INTERREG IVB North Sea Region project "Biochar: climate saving soils"
Biochar symposium at EUROSOIL 2012 in Bari, Italy
Biocharproject.org
CarbonZero project