Ключевые слова: air, bottle, bottles, carbon dioxide, chimney, city, coal, contaminate, contaminated, contamination, damage, dirt, dirty, disaster, downtown, earth, ecological, ecology, ecosystem, emissions, environment, environmental, factories, factories plants, factory, fumes, garbage, industrial, industrial plant, industrial smoke, industrial waste, industry, outdoors, plant, plastic, pollute, polluted, polluted air, pollution, pollutrd, power plant, river, rubbish, smog, smoke, smoke stack, smokestack, soot, town, toxic fume, trash, urban, waste, water,