Regarding plants and CO2 levels indoors, it isn’t a myth, but quantity matters. If you want to offset the CO2 production of a 150 lbs person you are going to need a similar or even greater mass of actively respirating plant material (not counting soil/pot/etc). So yeah not just a decorative pothos in every room.
Here’s a fun rabbit-hole on the subject that estimates you’d need 700 houseplants to offset a person’s breathing:
medium.com
Here’s a fun rabbit-hole on the subject that estimates you’d need 700 houseplants to offset a person’s breathing:
How Many Plants Would It Take to Produce Enough Oxygen for One Person?
Across the world, billions of plants produce oxygen for billions of people. But that’s on a giant scale. What if we scale it down to a…
![medium.com](https://miro.medium.com/v2/1*m-R_BkNf1Qjr1YbyOIJY2w.png)