Ключевые слова: background, business, care, clean, concept, conservation, development, earth, eco, ecology, economy, electricity, energy, environment, environmental, forest, friendly, future, global, globe, green, growth, hand, icon, idea, industry, innovation, inspiration, invention, leaf, light, natural, nature, planet, plant, pollution, power, protection, recycle, recycling, renewable, resource, save, science, sustainability, sustainable, symbol, technology, warming,