The multiple signals coming from all corners of the planet, represents a new warning for the awareness of the need to promote global policies that protect the environment in all areas. In this sense, the responsibility of architecture with society acquires a special protagonism. The projects presented in this book, coming from nineteen countries on four continents, illustrate the multiple possible approaches that architecture uses around the world in search of sustainable and environmental preservation strategies and their application in the design and construction of single-family homes.