Living · 6 pages · 12 min
Why houseplants do not clean the air in a meaningful way
A few leaves take up traces of gas, and ordinary room air change swamps that.
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From the opening
Houseplants do not clean indoor air in a meaningful way because a few leaves process a tiny amount of air next to what a room already exchanges. They are alive and they do take up some gases, and the scale is the problem rather than a total absence of the chemistry. The opening covers leaf uptake versus room volume, why sealed chambers mislead, and air leaks do the real exchanging.
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Inside
- Leaf uptake versus room volume
- Why sealed chambers mislead
- Air leaks do the real exchanging
- A green wall is a different machine
- Where the idea stops applying
- A distinction worth keeping
Sources
- NASA sealed-chamber plant studies
- Dilution of indoor pollutants by air change