Ключевые слова: air, blue, carbon, chemical, chimney, climate, condensation, damage, danger, day, dioxide, dirty, effect, energy, environment, environmental, exhaust, factory, fossil, fumes, gas, global, greenhouse, heat, heavy, horizontal, impact, industrial, industry, manufacturing, nature, nobody, outdoors, pipe, polluting, pollution, power, refinery, sky, smog, smoke, smokestack, stack, steam, technology, tower, toxic, warming, white, wind,