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