Submitted by Sorin61 t3_yc6s0a in technology
Sankofa416 t1_itn1mcy wrote
Reply to comment by breaditbans in CO2 ventilation breakthrough could turn city rooftops into bumper vegetable gardens by Sorin61
Nitrogen from urine and compost from poop. If you stop halfway it makes less sense, but it isn't useless even at this level. 4x the price is assuming the transport and preservation costs exist, which they won't for a system like this.
Viewing a single comment thread. View all comments