Arcosanti is "an urban laboratory focused on pursuing lean alternatives to urban sprawl through innovative design with environmental accountability." The philosophy is one of "Arcology" - architecture plus ecology.
Arcosanti is a projected experimental town with a molten bronze bell casting business in Yavapai County, central Arizona, 70 mi (110 km) north of Phoenix, United States, at an elevation of 3,732 feet (1,138 m). Its arcology concept was proposed by the Italian-American architect Paolo Soleri (1919–2013). He began construction in 1970, to demonstrate how urban conditions could be improved while minimizing the destructive impact on the Earth. He taught and influenced generations of architects and urban designers who studied and worked with him there to build the proposed "town".