What is Biochar & why is it important? 🌱 Normal charcoal is made by burning plant residues in the presence of oxygen. This process releases smoke, ash, carbon dioxide, and other greenhouse gases into the atmosphere. The charcoal produced is usually reused for cooking or fuel, releasing even more harmful gases. Biochar is different. It is prepared with very limited oxygen, so instead of smoke and ash, carbon gets locked inside the char itself. This carbon, which would otherwise escape into the a