Ключевые слова: abstract, agriculture, background, bulb, care, concept, conservation, day, earth, eco, ecology, electricity, energy, environment, environmental, future, global, green, growth, hand, holding, hope, icon, innovation, inspiration, invention, light, lightbulb, natural, nature, people, planet, plant, pollution, power, protection, recycle, renewable, resources, science, sign, solar, solution, sustainability, sustainable, symbol, technology, warming, white,