Ключевые слова: air, air pollution, carbon dioxide, chemical, chimney, city, climate, climate change, coal, coalfired power station, distribution, ecology, electric, electricity, energy, environmental damage, exhaust pipe, factory, fossil fuel, gas, greenhouse gas, high contrast, incinerator, industrial, industry, landscape, manufacturing, no people, outdoors, pipe, plant, poisonous, pollution, power, power plant, power station, refinery, silhouette, sky, smog, smoke, smoke stack, station, steam, substation, sunlight, sunrise, sunset, technology, toxic,