Ключевые слова: background, butt, cancer, cigarette, concept, damage, danger, dangerous, disgusting, ecological, ecology, ecosystem, environment, environmental, fall, field, forest, garbage, garden, grass, green, ground, landscape, leaf, left, litter, litter in the forest, many, nature, nicotine, outdoor, outside, park, pile, plant, pollute, pollution, refuse, rubbish, season, several, smoke, smoker, soil, spring, throw, tobacco, trash, waste, waste disposal,