New company aims to commercialize technology that makes charcoal from woody wastes, a method to improve soil and sequester carbon from the atmosphere. Martin LaMonica is a senior writer covering green ...

Add Yahoo as a preferred source to see more of our stories on Google. The food that makes it to your plate is but a fraction of what actually grew in a field somewhere. Cassava, corn, wheat, rice — ...

On a warm morning in Polk County, heavy equipment hummed through rows of citrus as a mobile carbonizer known as a “Tigercat” converted trees and grove debris into biochar — a porous, charcoal-like ...