Ключевые слова: atmosphere, backgrounds, brick, building, chemical, chemistry, chimney, climate, cloud, contamination, damage, dioxide, ecology, emissions, energy, environment, environmental, exhaust, factory, fuel, fumes, gas, global, greenhouse, high, industrial, industry, manufacturing, nature, pipe, plant, pollution, power, sky, smog, smoke, smokestack, stack, steam, technology, tower, toxic, two, vapor, warming, waste,