CO2 ventilation breakthrough could turn city rooftops into bumper vegetable gardens techxplore.com Submitted by Sorin61 t3_yc6s0a on October 24, 2022 at 9:30 AM in technology 32 comments 198
HelluvaKnight t1_itm1ror wrote on October 24, 2022 at 5:18 PM Farmers hate this one hack. Permalink 2
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