this might have more applications than just “green nazi” purposes. If it is viable it may be adapted to different environments. This might be able to be adapted to a moon base environment or other types of environments where you would need a closed loop system. I will be watching to see if this project is feesable and what the results are. thanks for the link
There was lots of talk about doing the gardening in Detroit where whole area’s have no houses left. The problem was the expense of removal of all the concrete and basements that would need filling. More concrete that viable land for planting....