Ключевые слова: air, atmosphere, building, chemical, chimney, climate, co2, coal, construction, dioxide, dirty, earth, ecology, emissions, energy, engineering, environment, environmental, factory, fossil fuel, fuel, fume, gas, generator, global, global warming, industrial, industry, manufacturing, metallurgy, pipe, pipeline, plant, plume, pollution, power, power plant, production, refinery, saturated, sky, smog, smoke, smokestack, station, steam, technology, tower, toxic, warming,