Ключевые слова: air, atmosphere, blue, building, carbon, chemical, chimney, city, climate, coal, cooling, dioxide, dusk, ecology, electricity, emissions, energy, environment, environmental, factory, fuel, fumes, gas, generation, global, industrial, landscape, nature, pipe, plant, pollution, power, power station, production, sky, smog, smoke, smokestack, station, steam, sun, sunrise, sunset, technology, tower, toxic, urban, vapor, warming,