These houses are built to make the best use of renewable resourcesand designed to guarantee environmental protection and the health of thecommunity. Ecological housing has in fact ceased to be the choice of justa few radical ecologists to become one of the fastest developing interestsin modern society. Along with the people's interest, that of the architectsdedicated to designing this type of housing has also grown, with aestheticsand comfort no way incompatible with the principles of sustainabledevelopment. Research into alternative materials and new ways to applytraditional primematerials have paved the way to create a whole new rangeof superb designs.