Ключевые слова: acid, air, atmosphere, business, chemical, chemistry, chimney, climate, cloud, co2, concept, contamination, danger, dirty, disaster, ecology, effect, electricity, emission, energetics, energy, engineering, environment, exhaust, factory, fuel, fume, gas, generator, global, heat, industry, manufacturing, ozone, petroleum, pipe, plant, pollution, power, rain, smoke, smokestack, stack, steam, sunlight, technology, toxic, vapour, warming, waste,