Eco-friendly buildings, green roofs, solar panels, wind turbines, rainwater harvesting systems, recycled materials, low-carbon concrete, energy-efficient facades, double glazing, natural ventilation systems, organic gardens, living walls, urban farming, community engagement spaces, educational signage, minimal waste management, recyclable construction materials, water conservation systems, grey water reuse, composting toilets, passive house design, earthship architecture, net zero emissions, carbon neutral buildings, sustainable urban planning, walkable neighborhoods, bike-friendly infrastructure, public transportation hubs, mixed-use development, resilient structures, adaptive reuse, deconstruction strategies.