The Cahit Sıtkı Tarancı House in Diyarbakır, Turkey, is an example of a traditional courtyard-style home. Photo via Diyarbakır Association. Recycled denim insulation and programmable thermostats are all well and good (really good), but people 4,500 years ago managed to keep their homes appropriately warm and cool without h...Read the full story on TreeHugger