Ключевые слова: 3d rendering, alternative, building, business, businessman, carbon, care, change, city, clean, climate, drawing, drawn, earth, ecology, ecosystem, electricity, emission, energy, environment, global, green, hand, handdrawn, man, nature, night, planet, pollution, power, preserve, protect, protection, recycling, renewable, roof, rooftop, solution, sustainable, thinking, turbine, view, village, warming, watching, wind, world, writing,