Ключевые слова: alternative, bio, car, care, clean, concept, conservation, crops, delete, design, drop, earth, ecology, energy, environmental, factory, fish, flat, fuel, globe, hands, healthy, house, icon, internet, leaf, long shadow, nature, ocean, oil, organic, petals, planet, plant, pollution, protection, recycling, save, set, sun, trash, tree, truck, vehicle, water, web, whale, wheat, wind power,