The invention relates to a method for reducing CO2 in the atmosphere comprising the following method steps:a) Harvesting wood in a forest by a harvesting unit to form an open area for growing plants, in particular trees；b) Shredding the harvested wood by a shredding unit；c) Coking the shredded wood by a coking unit to form biochar；d) Inserting the biochar by an insertion unit into the soil of the open area formed in step a；whereinat least steps a - d are performed continuously within a mobile vehicle, the mobile vehicle comprising at least the harvesting unit, the shredding unit, the coking unit and the insertion unit.
