What solutions are currently out there?

There are wood treatments available that help protect it from moisture and decay fungi. "Three primary methods of wood treatment currently prevail: creosote pressure-treated wood, pentachlorophenol pressure-treated wood, and inorganic arsenical pressure-treated wood. Chromated copper arsenate (CCA) is the most popular wood treatment product available today."
http://www.greenbuilder.com/sourcebook/WoodTreatment.html#Define

To learn about other treatments used in building materials go to http://www.greenbuilder.com/sourcebook/