a stunning image showcases a sustainable green city with a futuristic office building and architecture

sustainability green city urban development ecofriendly renewable energy solar panels wind turbines smart grid efficient buildings leed certified zero emission public transportation walking paths bicycle lanes roofs vertical gardens rainwater harvesting recycling center composting energyefficient lighting led bulbs insulation building integrated photovoltaics bipv geothermal heating modern architecture contemporary design glass facades sleek lines curved structures open spaces parks skywalks pedestrian bridges sustainable materials minimal environmental impact