Ключевые слова: air, big, blue, carbon dioxide, chemistry, chimney, coal, concepts, consumerism, dramatic, energy, environmental damage, factory, fire, flames, fossil fuel, fuel, fumes, generation, global warming, home, horizontal, hot, house, industry, information, low angle view, message, nature, no people, particles, pollution, power, sabotage, science, sign, sky, smog, smoke, spray, steam, structure, sunlight, symbol, unfinished,