Ключевые слова: air, architecture, atmosphere, building, burning, chimney, climate, cloud, coal, conservation, dioxide, dusk, ecology, electric, electrical, electricity, energy, environment, environmental, factory, fuel, fume, gas, generating, generation, global, heat, industrial, industry, landscape, manufacture, oil, outdoors, pipe, plant, pollute, pollution, power, production, rise, sky, smog, smoke, smokestack, smokestacks, station, steam, technology, warming,