Researchers funneled a building's carbon emissions to rooftop gardens—and the results were delicious.
CO2 and Indoor Growing: Boost Your Plants' Growth with Carbon Dioxide – Phlizon EU Store
CO2 ventilation breakthrough could turn city rooftops into bumper vegetable gardens - Scientists find that exploiting waste CO2 from building ventilation systems can help plants on rooftops grow better
Frontiers Enhancing crop growth in rooftop farms by repurposing CO2 from human respiration inside buildings
CO2GRO - Home Brewed CO2 Generator (With Solenoid)
Greenhouse - Wikipedia
Carbon dioxide can revolutionize rooftop farming, here is the proof - Interesting Engineering
Green-ovations: Technology to Help the Environment
Pumping carbon dioxide waste to rooftop gardens boosts crop yields
Boost Yield - Hot Lime Labs - Green CO2 for Horticulture
Rooftop gardens can help alleviate heat in cities, study finds - Big Think