This short article (2007) reviews the research conducted by a number of authors that demonstrate the ability of indoor potted-plants to remove air pollutants, enhance air quality and occupant well-being. Findings from the author's own research are presented, together with new data that underlines the beneficial impact of indoor planting.

The evidence suggests, that indoor plants can:

• Reduce total volatile organic compound (TVOC) loads, by, to below 100 ppb
• Function well with or without air-conditioning and in light or dark
• Are able to potentially remove indoor CO₂

Finally, the authors conclude that the potted-plant microcosm is a portable, flexible and innovative low-cost technology for solving indoor air problems that can adversely effect human health.