Honestly, if I had my way, my house would almost be a jungle. I admit I tend to have a lot of plants around my home, I'll even rescue them from dumpsters, rehabilitate, and re-pot plants for the house, or in local public space. A bit of my own gorilla gardening. There is a pot on the top of the Brownstein Lewis building, where I live, that has grown over with flowers so much that the little succulents have begun an exodus to nearby pots with tough greenery and bright orange flowers. Under the little palms, it's pretty cute.
Logically you might think that having plants in your house would improve the air quality. Nasa says that they do, in fact some plants have a much better time of it. Including spider plants, one of my childhood favorites.
Thank's to the USC Green Office: http://green.usc.edu/
A breath of fresh air
In the late '80s, NASA and the Associated Landscape Contractors of America studied houseplants as a way to purify the air in space facilities. They found several plants that filter out common volatile organic compounds (VOCs). Lucky for us the plants can also help clean indoor air on Earth, which is typically far more polluted than outdoor air. Other studies have since been published in the Journal of American Society of Horticultural Science further proving the science. (Text: Julie Knapp)
There's a great little photo article at the following link. 15 photos of 15 houseplants for improving indoor air quality | MNN - Mother Nature Network.