Ключевые слова: alternative, bulb, care, climate, concept, conceptual, creative, design, eco, ecological, ecology, electric, electricity, energy, environment, environmental, friendly, future, glass, global, green, growth, icon, idea, illumination, illustration, innovation, invention, lamp, leaf, light, lightbulb, natural, nature, plant, power, realistic, recycling, renewable, resource, reusable, save, solar, solution, sustainable, symbol, technology, tree, waste,