This new machine churns out carbon-storing biochar on the cheap
via grist.org
Short excerpt below. Read at the original source.
The food that makes it to your plate is but a fraction of what actually grew in a field somewhere. Cassava, corn, wheat, rice — all critical crops produce waste biomass that farmers might be burning or throwing into piles to rot, both of which send planet-warming carbon into the atmosphere. Increasingly, though, they are […]