Biochar: How burning stubble could FIGHT air pollution
12:11 | Biochar is supposed to suck carbon out of the air, reduce air pollution and even generate energy. But does it live up to the hype?
How Biochar Removes CO2 from the Air — and Helps Farmers Thrive
11:27 | Biochar is a kind of charcoal that removes CO2 from the atmosphere, helping yield healthy crops and even producing abundant renewable energy in the form of electricity as it’s made.
Does Biochar Deliver Carbon-Negative Energy?
59:29 | Johannes Lehmann discusses the characteristics of naturally occurring terra preta and the factors involved with implementation industrial biochar systems for large-scale carbon sequestration.