Ключевые слова: alternative, bio, biology, car, care, clean, concept, conservation, earth, eco, ecological, ecology, ecosystem, electric, emission, energy, environment, environmentally, float, friendly, fuel, future, global, grass, green, hand, hold, hybrid, idea, leaf, meadow, modern, natural, nature, pollution, power, present, protect, protection, recycle, reduce, responsibility, reuse, show, technology, transport, transportation, vehicle, warming, woman,