(CNSNews.com) - "Chestnuts roasting on an open fire..." But WAIT! Stop the music -- What is the moisture content of those logs? Before burning the logs, did you knock them together to see if they sounded hollow? You really should go dashing through the snow to your local hardware store in search of a "moisture meter," the perfect gift for that environmentally paranoid person on your Christmas list. Those people are so hard to please, aren't they? And be sure to check your local air quality forecast on airnow.gov before lighting a fire. Alas, the Environmental Protection Agency recognizes that,...