Ключевые слова: alternative, bio, building, bulb, care, concept, construction, creative, cycle, development, dream, earth, eco, ecofriendly, ecological, ecology, electricity, energy, environment, environmental, estate, future, generate, global, grass, green, home, house, housing, icon, idea, innovation, invention, lamp, light bulb, pollution, power, property, recycling, renewable, reuse, save, science, sign, solar, solution,