Eco-friendly architecture, sustainable buildings, green roofs, solar panels, recycled materials, low-carbon concrete, FSC-certified wood, bamboo flooring, natural stone walls, energy-efficient systems, rainwater harvesting, grey water reuse, composting toilets, organic gardens, native plant species, urban farming, vertical greenery, living walls, bio-based insulation, reclaimed wood accents, minimalist design, circular economy principles, zero-waste policy, Cradle-to-Cradle certification, LEED-compliant standards, WELL-building certification, natural ventilation systems, passive house design, thermal mass construction, earthship-inspired architecture, futuristic sustainable cityscapes.