Ключевые слова: air, atmosphere, building, carbon, chemical, chemistry, chimney, climate, coal, contamination, dirty, ecology, emission, energy, engineering, environment, environmental, exhaust, factory, fuel, fumes, gas, global, greenhouse, heat, heavy, high, industrial, industry, manufacturing, nature, ozone, petrochemical, pipe, pollution, power, production, refinery, sky, smog, smoke, smokestack, station, steam, technology, tower, toxic, vapor, waste,