Many traditional cleaning products contain chemicals that eliminate dirt, but some can produce chlorine gas and ammonia.

Baking soda is an alternative green cleaning wonder. It can neutralize acid-based odors in water and the air and it's great for cleaning countertops, sinks, and ovens.

Most cabinets are made from particle board, some of which contains trace amounts of formaldahyde.
So when it comes time to replace your cabinets, look for cabinet companies that use non-formaldehyde alternatives.

Finally, consider that some of the older latext paints contain volatile organic compounds, or VOC's that can contaminate the air inside. Fortunately many brands now offer low or zero VOC latex paints in a variety of finishes.