Ключевые слова: alternative, background, bulb, care, climate, concept, eco, ecofriendly, ecologic, ecological, ecology, electricity, energy, environment, friendly, glass, global, go, green, growth, house, incandescent, inside, lamp, light, lightbulb, nature, planet, power, preserve, problem, renewable, save, shape, smart, solar, solving, sprout, sustainable, technology, think, transparent, tungsten, warming, world, world globe, world map,