South-facing building facade, large windows, solar panels, green roofs, passive heating and cooling, natural ventilation, open floor plan, minimalist interior design, recycled materials, energy-efficient appliances, low-flow fixtures, rainwater harvesting system, grey water reuse, optimized insulation, double-glazed windows, overhangs, clerestory windows, operable skylights, sun shades, wind turbines, geothermal systems, building management systems, real-time energy monitoring, data-driven sustainability.