Photo credit: Chicago Tribune
The Wall Street Journal is writing about the role of houseplants in cleaning our increasingly polluted indoor air.
We spent about 90 percent of our time indoors, where the level of pollutants can be five times greater than outside, the Journal writes, especially as we try to conserve energy with more insulation and tighter windows.
Researchers are trying to determine which plants do the best job of cleaning our air and if plants can be bred to be better at it.
Makes you want to go out and buy a philodendron...