Ключевые слова: agriculture, background, bright, bulb, business, concept, conservation, creative, day, earth, earth day concept, eco, ecology, economy, electric, electricity, energy, environment, garden, global, green, growth, hand, idea, innovation, investment, lamp, leaf, life, light, lightbulb, money, natural, nature, new, plant, power, renewable energy, sapling, save, savings, seed, seedling, soil, sprout, success, sustainable, technology, tree, world,