Start simple. We can’t all redo our buildings to make them healthier and more green. Poor ventilation, volatile organic chemicals (VOCs), and many other indoor pollution can really affect employees’ health and attitudes. To provide even yourself, your employees, or your library with better personal air quality, start with a plant. This chart (from goodmagazine) shows some of the basic toxins and which types of plants with help mollify their effects over time. Even if you don’t have much light you can still have plants in your office/library. These sites list some ideas:
You can also read more about indoor air quality and “sick building syndrome” on the EPA’s site here.