Ключевые слова: abstract, arrow, biology, clean, concept, conservation, craft, creative, cut, cutout, design, earth, eco, ecologic, ecological, ecology, ecosystem, energy, environment, environmental, environmentally, friendly, globe, go, grass, green, hand, idea, love, massage, natural, nature, paper, planet, protection, raise, recycle, reduce, responsibility, reuse, save, savings, sign, space, symbol, think, together, words, world,