Why Houseplants Cannot Actually Remove Your Daily CO2 Emissions

So you want to use plants to reduce CO₂

I calculated the energy and space required for plants to neutralize human carbon dioxide output. The physics reveals you would need nearly 18 square meters of ferns, thousands of watts of red light, and daily harvests of kilograms of new plant matter. The conclusion is that indoor gardening is ineffective for air quality, and opening a window remains the only practical solution.