So unless you are building your house from scratch, you need to renovate, which takes money. Also the main reason for the air quality is that houses today are sealed enviorments, so the change over of fresh air is very small, which allows for the toxins to build up.
This article never mentioned the price tag for all the better products, if your going to give out options provide all the info. Just a simple example polyurothane "oil base" very durable but takes 3 days to cure normally 2 coates. "water base" cures in just 2 hours no voc's, needs at least 10 coates to equal 1 coate of oil base.this is not common knowledge.