'Biochar ' may reduce greenhouse gases , produce clean energy , help farming . Since 2000 , increases of 2 parts per million of CO2 have been common , according to NOAA . Organic waste can be turned into valuable , renewable resources . Comment: Experts : Biochar could reduce harmful global CO2 levels .
'Biochar ' may reduce greenhouse gases , produce clean energy , help farming . Organic waste can be turned into valuable , renewable resources . Comment: Experts : Biochar could reduce harmful global CO2 levels .