When penning his stinging rebuke of biochar and all who support it, George Monbiot not only threw out the baby with the bath water but blew up the bathroom just to ensure no one ever considered bathing again. Admittedly he got in a few good blows but the rest just blows hot air. Biochar is simply the charcoal that remains after burning any kind of biomass in a closed oven with limited or no oxygen (pyrolysis). The gases and oils that are emitted are either captured for energy production later or co-fired in the process, maximizing the output of heat. …