The cost of a house can be counted in dollars, but the construction and running of a house takes a toll on the environment that’s harder to measure. Increasing numbers of people are looking to minimize both environmental impact and financial outlay by outfitting their homes with sustainable technology, and the resulting boom in sustainable building is driving new levels of architectural innovation. With this in mind, Gizmag highlights ten remarkable sustainable houses.The term sustainable is thrown about quite a bit these days, but there’s more to it than adding some solar panels to the roof of an inefficient building and calling it a day. True sustainability is made up of many facets, from building materials to the use of renewable energy sources to design that strives for efficiency and harmony with the surrounding environment. We think the following selections meet many of these criteria.