Ключевые слова: assortment, background, blue, cardboard, care, clean, color, composition, concept, conservation, container, contamination, cup, different, drink, earth, eco, ecology, environment, flat, food, garbage, global, green, lay, leaves, litter, many, material, nature, object, paper, pollution, prevention, protection, recycling, reduction, renewable, resources, responsibility, reuse, rubbish, save, sign, symbol, top, trash, used, view, world,