http://www.helium.com/knowledge/288743-artificial-vs-real-christmas-trees-how-to-choose-the-best-tree-for-you.xml Helium.com > Christmas > Artificial vs real Christmas trees: How to choose the best tree for you en-us Copyright Helium.com Mon, 26 Oct 2009 12:32:01 GMT Mon, 26 Oct 2009 12:32:01 GMT