Ключевые слова: background, bulb, concept, conservation, consumption, earth, eco, ecology, electric, electricity, energy, environment, environmental, flower, focus, friendly, future, global, green, hand, holding, idea, innovation, invention, lamp, light, lightbulb, natural, nature, planet, plant, power, recycle, renewable, reusable, single, solar, solution, sun, sunlight, sunset, sunshine, sustainability, sustainable, symbol, technology, tree, warming, white, yellow,