Ключевые слова: bright ideas, care, clean energy, clear, concept, conservation, creative, development, ecofriendly, ecology, energy, environment, fragile, fresh, future, glass, green, green energy, growth, hope, idea, innovation, inspiration, leaves, light bulb, metaphor, nature, new life, organic, plant, power, progress, recycle, renewable energy, save energy, seedling, solution, spring, sprout, sustainable, symbol, transparent, young,