“The Meydan Retail Complex, built in Istanbul, Turkey by Foreign Office Architects (FOA), was constructed to represent a model of green policy in a large-scale shopping center. The 70,000-square-meter building uses a local geothermal heating system to save 1.3 million kilowatt hours of energy each year.”

Architecture of Change: 8 Real-World Examples Slideshow | Fast Company

via hippieflavor