Indoor gardening.

Which plants are better?
 
1. Bamboo Palm: According to NASA, it removes formaldehyde and is also said to act as a natural humidifier. 
 
2. Snake Plant: Found by NASA to absorb nitrogen oxides and formaldehyde. 
 
3. Areca Palm: One of the best air purifying plants for general air cleanliness. 
 
4. Spider Plant: Great indoor plant for removing carbon monoxide and other toxins or impurities. Spider plants are one of three plants NASA deems best at removing formaldehyde from the air. 
 
5. Peace Lily: Peace lilies could be called the “clean-all.” They’re often placed in bathrooms or laundry rooms because they’re known for removing mold spores. Also know to remove formaldehyde and trichloroethylene.