Ключевые слова: arrow, basket, beautiful, bin, bucket, clean, color, colorful, concept, conceptual, conservation, container, copy, cycle, eco, ecological, ecology, environment, environmental, fence, garbage, glass, global, grass, green, icon, idea, many, metal, natural, nature, object, paper, park, peace, plastic, protect, protection, recycle, recycling, reuse, save, shape, sign, symbol, three, trash, waste, white, wooden,