Geological Sequestration of Biomass Char to Mitigate Climate Change
Résumé
Limiting anthropogenic climate change requires developing new routes for energy supply with net negative emissions, such as bioenergy with carbon capture and storage (BECCS).1 To achieve this goal, many works have dealt with the land application of biochar2 or the sequestration of CO2 from biomass combustion.1 In my opinion, the concept of wood geostorage3,4 has not yet received enough attention. Here, I even propose to extend this concept to the geological sequestration of biochar (GSB), displayed on figure 1. I intend to open a debate on this concept and to argue on its potentials.