Ключевые слова: atmosphere, blowing, blue, carbon, carbon dioxide, change, chemical, climate, cloud, damage, dangerous, dark, dioxide, dirty, disaster, ecological, ecology, emission, energy, environmental, exhaust, factory, fog, fossil, fuel, future, gas, global, global warming, industrial, manufacturing, mask, pipe, poison, pollution, power, power plant, problem, production, refinery, silhouette, sky, smog, smoke, stack, station, steam, tower, toxic, warming,