NASA had studies on plants to clean air, I have a copy of Bill Wolverton’s book. Although no plants… https://en.wikipedia.org/wiki/NASA_Clean_Air_Study https:

NASA had studies on plants to clean air, I have a copy of Bill Wolverton’s book. Although no plants… https://en.wikipedia.org/wiki/NASA_Clean_Air_Study https://en.wikipedia.org/wiki/NASA_Clean_Air_Study