We just stumbled over another green home building product that, if its press is to be believed, will soon send drywall the way of the outdoor privy. Dragon Board is a wall paneling made of a mixture of magnesium oxide and magnesium chloride, water, and a fibrous material used for strength. Traditional drywall or sheetrock is manufactured from gypsum plaster (a form of calcium sulfate) sandwiched in a paper liner and kiln dried. The drying process requires a huge amount of energy; it takes between...