Ключевые слова: background, bottles, box, care, clean, concept, conservation, container, contamination, damage, danger, destruction, dirt, dirty, disaster, dump, earth, ecological, ecology, environment, environmental, food, garbage, glass, global, ground, land, litter, many, nature, outdoors, outside, park, plastics, polluted, pollution, polyethene, polyethylene, polymethylene, prevention, problem, protection, rubbish, save, soil, spontaneous, trash, view, waste, world,