Ключевые слова: agriculture, alternative, background, bulb, business, concept, consumption, creative, day, development, earth, eco, ecology, ecosystem, electric, electricity, energy, environment, environmental, forest, friendly, future, global, green, growing, growth, icon, idea, industry, innovation, lamp, leaf, light, lightbulb, natural, nature, planet, plant, power, protect, protection, recycle, renewable, save, solar, sustainability, sustainable, symbol, technology, tree,