一项分析研究了利用室内植物减少二氧化碳的可行性。1 人类每天产生约1公斤二氧化碳，1 植物需要通过光合作用将其转化为氧气。1 理论最小能耗仅为132.5瓦，1 但考虑植物实际效率后需要918瓦。1 现实中则需要5000-10000瓦的LED照明设备才能满足植物光饱和点约52瓦/平方米的需求。1
实现这一目标还面临其他技术障碍。1 所需最小植物叶面积达到17.6平方米以上，1 且每天必须生长并移除4.6公斤新植物才能真正实现碳固定。1 鉴于这些约束条件，分析建议打开窗户，表明室内植物策略在实际应用中并不可行。1
An analysis of employing indoor plants to mitigate carbon dioxide emissions reveals significant practical limitations despite theoretical feasibility 1. Humans produce approximately one kilogram of CO₂ daily, which would require plants to convert through photosynthesis into oxygen 1. While the theoretical minimum energy requirement stands at 132.5 watts under ideal conditions, accounting for actual plant efficiency raises this to 918 watts 1. In real-world scenarios, however, achieving meaningful CO₂ reduction would demand between 5,000 and 10,000 watts of LED lighting 1.
The spatial and biological constraints further undermine the viability of this approach 1. Removing CO₂ effectively would necessitate a minimum plant leaf surface area of 17.6 square meters, combined with the need to grow and remove 4.6 kilograms of new plant biomass daily to achieve genuine carbon sequestration 1. Given that plants reach light saturation at approximately 52 watts per square meter, the energy costs and space requirements make this strategy impractical for indoor environments 1. The analysis concludes that opening windows remains a far more efficient alternative to relying on houseplants for carbon dioxide reduction 1.
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