Biochar Cone Kiln

Here is another well made demonstration video on simple biochar production. This relates to another ‘managed combustion’ system – providing much better environmental outcomes than just burning biomass but still wasteful on the energy front. See also: http://soilcarbon.org.nz/biochar-burn-school/ http://biocharproject.org/ … Continue reading

Keeping it Pure

Last night, Prime TV aired the third episode of ‘Keeping it Pure’ which was focused on water… “Most of New Zealand’s monitored waterways are polluted, but how has this happened and is it possible to turn things around?” I think … Continue reading