Ключевые слова: air, air pollution, atmosphere, chemical, chimney, climate, climate change, co2, coal, contamination, damage, dioxide, dirty, ecology, emission, emit, energy, environment, environmental, factory, fire, flame, fuel, gas, global, global warming, industrial, industry, petrochemical, pipe, plant, polluted, pollution, power, sky, smog, smoke, smokestack, stack, station, steam, torch, tower, toxic, warming, you smoke,