Ключевые слова: abstract, agriculture, alternative, asian, background, bulb, business, care, child, concept, corporate, day, earth, eco, ecology, education, electricity, energy, environment, environmental, friendly, future, green, growth, hand, hour, human, idea, innovation, kid, lamp, light, lightbulb, natural, nature, power, recycle, renewable, responsibility, save, science, social, solar, solutions, sustainability, sustainable, symbol, technology, tree, world,